638961336

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 288

約数和(自身を含む): 2063617920

約数和(自身を除く): 1424656584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 31, 36, 38, 39, 52, 57, 61, 62, 72, 76, 78, 93, 104, 114, 117, 122, 124, 152, 156, 171, 183, 186, 228, 234, 244, 247, 248, 279, 312, 342, 361, 366, 372, 403, 456, 468, 488, 494, 549, 558, 589, 684, 722, 732, 741, 744, 793, 806, 936, 988, 1083, 1098, 1116, 1159, 1178, 1209, 1368, 1444, 1464, 1482, 1586, 1612, 1767, 1891, 1976, 2166, 2196, 2223, 2232, 2318, 2356, 2379, 2418, 2888, 2964, 3172, 3224, 3249, 3477, 3534, 3627, 3782, 4332, 4392, 4446, 4636, 4693, 4712, 4758, 4836, 5301, 5673, 5928, 6344, 6498, 6954, 7068, 7137, 7254, 7564, 7657, 8664, 8892, 9272, 9386, 9516, 9672, 10431, 10602, 11191, 11346, 12996, 13908, 14079, 14136, 14274, 14508, 15067, 15128, 15314, 17019, 17784, 18772, 19032, 20862, 21204, 22021, 22382, 22692, 22971, 24583, 25992, 27816, 28158, 28548, 29016, 30134, 30628, 33573, 34038, 35929, 37544, 41724, 42237, 42408, 44042, 44764, 45201, 45384, 45942, 49166, 56316, 57096, 60268, 61256, 66063, 67146, 68076, 68913, 71858, 73749, 83448, 84474, 88084, 89528, 90402, 91884, 98332, 100719, 107787, 112632, 120536, 132126, 134292, 135603, 136152, 137826, 143716, 145483, 147498, 168948, 176168, 180804, 183768, 196664, 198189, 201438, 215574, 221247, 264252, 268584, 271206, 275652, 286273, 287432, 290966, 294996, 323361, 337896, 361608, 396378, 402876, 431148, 436449, 442494, 467077, 528504, 542412, 551304, 572546, 581932, 589992, 646722, 682651, 792756, 805752, 858819, 862296, 872898, 884988, 934154, 1084824, 1145092, 1163864, 1293444, 1309347, 1365302, 1401231, 1585512, 1717638, 1745796, 1769976, 1868308, 2047953, 2290184, 2576457, 2586888, 2618694, 2730604, 2802462, 3435276, 3491592, 3736616, 4095906, 4203693, 5152914, 5237388, 5461208, 5604924, 6143859, 6870552, 8191812, 8407386, 8874463, 10305828, 10474776, 11209848, 12287718, 16383624, 16814772, 17748926, 20611656, 24575436, 26623389, 33629544, 35497852, 49150872, 53246778, 70995704, 79870167, 106493556, 159740334, 212987112, 319480668, 638961336]

約数ペア:

[(1, 638961336), (2, 319480668), (3, 212987112), (4, 159740334), (6, 106493556), (8, 79870167), (9, 70995704), (12, 53246778), (13, 49150872), (18, 35497852), (19, 33629544), (24, 26623389), (26, 24575436), (31, 20611656), (36, 17748926), (38, 16814772), (39, 16383624), (52, 12287718), (57, 11209848), (61, 10474776), (62, 10305828), (72, 8874463), (76, 8407386), (78, 8191812), (93, 6870552), (104, 6143859), (114, 5604924), (117, 5461208), (122, 5237388), (124, 5152914), (152, 4203693), (156, 4095906), (171, 3736616), (183, 3491592), (186, 3435276), (228, 2802462), (234, 2730604), (244, 2618694), (247, 2586888), (248, 2576457), (279, 2290184), (312, 2047953), (342, 1868308), (361, 1769976), (366, 1745796), (372, 1717638), (403, 1585512), (456, 1401231), (468, 1365302), (488, 1309347), (494, 1293444), (549, 1163864), (558, 1145092), (589, 1084824), (684, 934154), (722, 884988), (732, 872898), (741, 862296), (744, 858819), (793, 805752), (806, 792756), (936, 682651), (988, 646722), (1083, 589992), (1098, 581932), (1116, 572546), (1159, 551304), (1178, 542412), (1209, 528504), (1368, 467077), (1444, 442494), (1464, 436449), (1482, 431148), (1586, 402876), (1612, 396378), (1767, 361608), (1891, 337896), (1976, 323361), (2166, 294996), (2196, 290966), (2223, 287432), (2232, 286273), (2318, 275652), (2356, 271206), (2379, 268584), (2418, 264252), (2888, 221247), (2964, 215574), (3172, 201438), (3224, 198189), (3249, 196664), (3477, 183768), (3534, 180804), (3627, 176168), (3782, 168948), (4332, 147498), (4392, 145483), (4446, 143716), (4636, 137826), (4693, 136152), (4712, 135603), (4758, 134292), (4836, 132126), (5301, 120536), (5673, 112632), (5928, 107787), (6344, 100719), (6498, 98332), (6954, 91884), (7068, 90402), (7137, 89528), (7254, 88084), (7564, 84474), (7657, 83448), (8664, 73749), (8892, 71858), (9272, 68913), (9386, 68076), (9516, 67146), (9672, 66063), (10431, 61256), (10602, 60268), (11191, 57096), (11346, 56316), (12996, 49166), (13908, 45942), (14079, 45384), (14136, 45201), (14274, 44764), (14508, 44042), (15067, 42408), (15128, 42237), (15314, 41724), (17019, 37544), (17784, 35929), (18772, 34038), (19032, 33573), (20862, 30628), (21204, 30134), (22021, 29016), (22382, 28548), (22692, 28158), (22971, 27816), (24583, 25992)]