78752254

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 137846016

約数和(自身を除く): 59093762

約数列:

[1, 2, 7, 14, 73, 146, 251, 307, 502, 511, 614, 1022, 1757, 2149, 3514, 4298, 18323, 22411, 36646, 44822, 77057, 128261, 154114, 156877, 256522, 313754, 539399, 1078798, 5625161, 11250322, 39376127, 78752254]

約数ペア:

[(1, 78752254), (2, 39376127), (7, 11250322), (14, 5625161), (73, 1078798), (146, 539399), (251, 313754), (307, 256522), (502, 156877), (511, 154114), (614, 128261), (1022, 77057), (1757, 44822), (2149, 36646), (3514, 22411), (4298, 18323)]