247142912

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:749

約数の個数: 80

約数和(自身を含む): 532680192

約数和(自身を除く): 285537280

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 368, 496, 512, 677, 713, 736, 992, 1354, 1426, 1472, 1984, 2708, 2852, 2944, 3968, 5416, 5704, 5888, 7936, 10832, 11408, 11776, 15571, 15872, 20987, 21664, 22816, 31142, 41974, 43328, 45632, 62284, 83948, 86656, 91264, 124568, 167896, 173312, 182528, 249136, 335792, 346624, 365056, 482701, 498272, 671584, 965402, 996544, 1343168, 1930804, 1993088, 2686336, 3861608, 3986176, 5372672, 7723216, 7972352, 10745344, 15446432, 30892864, 61785728, 123571456, 247142912]

約数ペア:

[(1, 247142912), (2, 123571456), (4, 61785728), (8, 30892864), (16, 15446432), (23, 10745344), (31, 7972352), (32, 7723216), (46, 5372672), (62, 3986176), (64, 3861608), (92, 2686336), (124, 1993088), (128, 1930804), (184, 1343168), (248, 996544), (256, 965402), (368, 671584), (496, 498272), (512, 482701), (677, 365056), (713, 346624), (736, 335792), (992, 249136), (1354, 182528), (1426, 173312), (1472, 167896), (1984, 124568), (2708, 91264), (2852, 86656), (2944, 83948), (3968, 62284), (5416, 45632), (5704, 43328), (5888, 41974), (7936, 31142), (10832, 22816), (11408, 21664), (11776, 20987), (15571, 15872)]