64173890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2441}}^1$

素因数の和:2698

約数の個数: 32

約数和(自身を含む): 126593280

約数和(自身を除く): 62419390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 239, 478, 1195, 2390, 2441, 2629, 4882, 5258, 12205, 13145, 24410, 26290, 26851, 53702, 134255, 268510, 583399, 1166798, 2916995, 5833990, 6417389, 12834778, 32086945, 64173890]

約数ペア:

[(1, 64173890), (2, 32086945), (5, 12834778), (10, 6417389), (11, 5833990), (22, 2916995), (55, 1166798), (110, 583399), (239, 268510), (478, 134255), (1195, 53702), (2390, 26851), (2441, 26290), (2629, 24410), (4882, 13145), (5258, 12205)]