391657968

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 240

約数和(自身を含む): 1293417216

約数和(自身を除く): 901759248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 31, 34, 36, 39, 48, 51, 52, 62, 68, 72, 78, 93, 102, 104, 117, 124, 136, 144, 153, 156, 186, 204, 208, 221, 234, 248, 272, 279, 306, 312, 372, 397, 403, 408, 442, 468, 496, 527, 558, 612, 624, 663, 744, 794, 806, 816, 884, 936, 1054, 1116, 1191, 1209, 1224, 1326, 1488, 1581, 1588, 1612, 1768, 1872, 1989, 2108, 2232, 2382, 2418, 2448, 2652, 3162, 3176, 3224, 3536, 3573, 3627, 3978, 4216, 4464, 4743, 4764, 4836, 5161, 5304, 6324, 6352, 6448, 6749, 6851, 7146, 7254, 7956, 8432, 9486, 9528, 9672, 10322, 10608, 12307, 12648, 13498, 13702, 14292, 14508, 15483, 15912, 18972, 19056, 19344, 20247, 20553, 20644, 24614, 25296, 26996, 27404, 28584, 29016, 30966, 31824, 36921, 37944, 40494, 41106, 41288, 46449, 49228, 53992, 54808, 57168, 58032, 60741, 61659, 61932, 73842, 75888, 80988, 82212, 82576, 87737, 92898, 98456, 107984, 109616, 110763, 121482, 123318, 123864, 147684, 159991, 161976, 164424, 175474, 185796, 196912, 209219, 221526, 242964, 246636, 247728, 263211, 295368, 319982, 323952, 328848, 350948, 371592, 418438, 443052, 479973, 485928, 493272, 526422, 590736, 627657, 639964, 701896, 743184, 789633, 836876, 886104, 959946, 971856, 986544, 1052844, 1255314, 1279928, 1403792, 1439919, 1579266, 1673752, 1772208, 1882971, 1919892, 2105688, 2510628, 2559856, 2719847, 2879838, 3158532, 3347504, 3765942, 3839784, 4211376, 5021256, 5439694, 5759676, 6317064, 7531884, 7679568, 8159541, 10042512, 10879388, 11519352, 12634128, 15063768, 16319082, 21758776, 23038704, 24478623, 30127536, 32638164, 43517552, 48957246, 65276328, 97914492, 130552656, 195828984, 391657968]

約数ペア:

[(1, 391657968), (2, 195828984), (3, 130552656), (4, 97914492), (6, 65276328), (8, 48957246), (9, 43517552), (12, 32638164), (13, 30127536), (16, 24478623), (17, 23038704), (18, 21758776), (24, 16319082), (26, 15063768), (31, 12634128), (34, 11519352), (36, 10879388), (39, 10042512), (48, 8159541), (51, 7679568), (52, 7531884), (62, 6317064), (68, 5759676), (72, 5439694), (78, 5021256), (93, 4211376), (102, 3839784), (104, 3765942), (117, 3347504), (124, 3158532), (136, 2879838), (144, 2719847), (153, 2559856), (156, 2510628), (186, 2105688), (204, 1919892), (208, 1882971), (221, 1772208), (234, 1673752), (248, 1579266), (272, 1439919), (279, 1403792), (306, 1279928), (312, 1255314), (372, 1052844), (397, 986544), (403, 971856), (408, 959946), (442, 886104), (468, 836876), (496, 789633), (527, 743184), (558, 701896), (612, 639964), (624, 627657), (663, 590736), (744, 526422), (794, 493272), (806, 485928), (816, 479973), (884, 443052), (936, 418438), (1054, 371592), (1116, 350948), (1191, 328848), (1209, 323952), (1224, 319982), (1326, 295368), (1488, 263211), (1581, 247728), (1588, 246636), (1612, 242964), (1768, 221526), (1872, 209219), (1989, 196912), (2108, 185796), (2232, 175474), (2382, 164424), (2418, 161976), (2448, 159991), (2652, 147684), (3162, 123864), (3176, 123318), (3224, 121482), (3536, 110763), (3573, 109616), (3627, 107984), (3978, 98456), (4216, 92898), (4464, 87737), (4743, 82576), (4764, 82212), (4836, 80988), (5161, 75888), (5304, 73842), (6324, 61932), (6352, 61659), (6448, 60741), (6749, 58032), (6851, 57168), (7146, 54808), (7254, 53992), (7956, 49228), (8432, 46449), (9486, 41288), (9528, 41106), (9672, 40494), (10322, 37944), (10608, 36921), (12307, 31824), (12648, 30966), (13498, 29016), (13702, 28584), (14292, 27404), (14508, 26996), (15483, 25296), (15912, 24614), (18972, 20644), (19056, 20553), (19344, 20247)]