123571456

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 266079744

約数和(自身を除く): 142508288

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 368, 496, 677, 713, 736, 992, 1354, 1426, 1472, 1984, 2708, 2852, 2944, 3968, 5416, 5704, 5888, 7936, 10832, 11408, 15571, 20987, 21664, 22816, 31142, 41974, 43328, 45632, 62284, 83948, 86656, 91264, 124568, 167896, 173312, 182528, 249136, 335792, 482701, 498272, 671584, 965402, 996544, 1343168, 1930804, 1993088, 2686336, 3861608, 3986176, 5372672, 7723216, 15446432, 30892864, 61785728, 123571456]

約数ペア:

[(1, 123571456), (2, 61785728), (4, 30892864), (8, 15446432), (16, 7723216), (23, 5372672), (31, 3986176), (32, 3861608), (46, 2686336), (62, 1993088), (64, 1930804), (92, 1343168), (124, 996544), (128, 965402), (184, 671584), (248, 498272), (256, 482701), (368, 335792), (496, 249136), (677, 182528), (713, 173312), (736, 167896), (992, 124568), (1354, 91264), (1426, 86656), (1472, 83948), (1984, 62284), (2708, 45632), (2852, 43328), (2944, 41974), (3968, 31142), (5416, 22816), (5704, 21664), (5888, 20987), (7936, 15571), (10832, 11408)]