155185855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 209018880

約数和(自身を除く): 53833025

約数列:

[1, 5, 11, 53, 55, 139, 265, 383, 583, 695, 1529, 1915, 2915, 4213, 7367, 7645, 20299, 21065, 36835, 53237, 81037, 101495, 223289, 266185, 405185, 585607, 1116445, 2821561, 2928035, 14107805, 31037171, 155185855]

約数ペア:

[(1, 155185855), (5, 31037171), (11, 14107805), (53, 2928035), (55, 2821561), (139, 1116445), (265, 585607), (383, 405185), (583, 266185), (695, 223289), (1529, 101495), (1915, 81037), (2915, 53237), (4213, 36835), (7367, 21065), (7645, 20299)]