31561472

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 67304832

約数和(自身を除く): 35743360

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 97, 124, 128, 164, 194, 248, 256, 328, 388, 496, 656, 776, 992, 1271, 1312, 1552, 1984, 2542, 2624, 3007, 3104, 3968, 3977, 5084, 5248, 6014, 6208, 7936, 7954, 10168, 10496, 12028, 12416, 15908, 20336, 24056, 24832, 31816, 40672, 48112, 63632, 81344, 96224, 123287, 127264, 162688, 192448, 246574, 254528, 325376, 384896, 493148, 509056, 769792, 986296, 1018112, 1972592, 3945184, 7890368, 15780736, 31561472]

約数ペア:

[(1, 31561472), (2, 15780736), (4, 7890368), (8, 3945184), (16, 1972592), (31, 1018112), (32, 986296), (41, 769792), (62, 509056), (64, 493148), (82, 384896), (97, 325376), (124, 254528), (128, 246574), (164, 192448), (194, 162688), (248, 127264), (256, 123287), (328, 96224), (388, 81344), (496, 63632), (656, 48112), (776, 40672), (992, 31816), (1271, 24832), (1312, 24056), (1552, 20336), (1984, 15908), (2542, 12416), (2624, 12028), (3007, 10496), (3104, 10168), (3968, 7954), (3977, 7936), (5084, 6208), (5248, 6014)]