261766528

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 545781600

約数和(自身を除く): 284015072

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 97, 116, 128, 194, 232, 388, 464, 727, 776, 928, 1454, 1552, 1856, 2813, 2908, 3104, 3712, 5626, 5816, 6208, 11252, 11632, 12416, 21083, 22504, 23264, 42166, 45008, 46528, 70519, 84332, 90016, 93056, 141038, 168664, 180032, 282076, 337328, 360064, 564152, 674656, 1128304, 1349312, 2045051, 2256608, 2698624, 4090102, 4513216, 8180204, 9026432, 16360408, 32720816, 65441632, 130883264, 261766528]

約数ペア:

[(1, 261766528), (2, 130883264), (4, 65441632), (8, 32720816), (16, 16360408), (29, 9026432), (32, 8180204), (58, 4513216), (64, 4090102), (97, 2698624), (116, 2256608), (128, 2045051), (194, 1349312), (232, 1128304), (388, 674656), (464, 564152), (727, 360064), (776, 337328), (928, 282076), (1454, 180032), (1552, 168664), (1856, 141038), (2813, 93056), (2908, 90016), (3104, 84332), (3712, 70519), (5626, 46528), (5816, 45008), (6208, 42166), (11252, 23264), (11632, 22504), (12416, 21083)]