388804728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:773

約数の個数: 128

約数和(自身を含む): 1099929600

約数和(自身を除く): 711124872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 61, 62, 78, 93, 104, 122, 124, 156, 183, 186, 244, 248, 312, 366, 372, 403, 488, 659, 732, 744, 793, 806, 1209, 1318, 1464, 1586, 1612, 1891, 1977, 2379, 2418, 2636, 3172, 3224, 3782, 3954, 4758, 4836, 5272, 5673, 6344, 7564, 7908, 8567, 9516, 9672, 11346, 15128, 15816, 17134, 19032, 20429, 22692, 24583, 25701, 34268, 40199, 40858, 45384, 49166, 51402, 61287, 68536, 73749, 80398, 81716, 98332, 102804, 120597, 122574, 147498, 160796, 163432, 196664, 205608, 241194, 245148, 265577, 294996, 321592, 482388, 490296, 522587, 531154, 589992, 796731, 964776, 1045174, 1062308, 1246169, 1567761, 1593462, 2090348, 2124616, 2492338, 3135522, 3186924, 3738507, 4180696, 4984676, 6271044, 6373848, 7477014, 9969352, 12542088, 14954028, 16200197, 29908056, 32400394, 48600591, 64800788, 97201182, 129601576, 194402364, 388804728]

約数ペア:

[(1, 388804728), (2, 194402364), (3, 129601576), (4, 97201182), (6, 64800788), (8, 48600591), (12, 32400394), (13, 29908056), (24, 16200197), (26, 14954028), (31, 12542088), (39, 9969352), (52, 7477014), (61, 6373848), (62, 6271044), (78, 4984676), (93, 4180696), (104, 3738507), (122, 3186924), (124, 3135522), (156, 2492338), (183, 2124616), (186, 2090348), (244, 1593462), (248, 1567761), (312, 1246169), (366, 1062308), (372, 1045174), (403, 964776), (488, 796731), (659, 589992), (732, 531154), (744, 522587), (793, 490296), (806, 482388), (1209, 321592), (1318, 294996), (1464, 265577), (1586, 245148), (1612, 241194), (1891, 205608), (1977, 196664), (2379, 163432), (2418, 160796), (2636, 147498), (3172, 122574), (3224, 120597), (3782, 102804), (3954, 98332), (4758, 81716), (4836, 80398), (5272, 73749), (5673, 68536), (6344, 61287), (7564, 51402), (7908, 49166), (8567, 45384), (9516, 40858), (9672, 40199), (11346, 34268), (15128, 25701), (15816, 24583), (17134, 22692), (19032, 20429)]