7268261

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 10015488

約数和(自身を除く): 2747227

約数列:

[1, 7, 11, 13, 53, 77, 91, 137, 143, 371, 583, 689, 959, 1001, 1507, 1781, 4081, 4823, 7261, 7579, 10549, 12467, 19591, 50827, 53053, 79871, 94393, 137137, 559097, 660751, 1038323, 7268261]

約数ペア:

[(1, 7268261), (7, 1038323), (11, 660751), (13, 559097), (53, 137137), (77, 94393), (91, 79871), (137, 53053), (143, 50827), (371, 19591), (583, 12467), (689, 10549), (959, 7579), (1001, 7261), (1507, 4823), (1781, 4081)]