72172210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9241}}^1$

素因数の和:9330

約数の個数: 32

約数和(自身を含む): 143731584

約数和(自身を除く): 71559374

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 9241, 18482, 46205, 92410, 101651, 203302, 508255, 656111, 1016510, 1312222, 3280555, 6561110, 7217221, 14434442, 36086105, 72172210]

約数ペア:

[(1, 72172210), (2, 36086105), (5, 14434442), (10, 7217221), (11, 6561110), (22, 3280555), (55, 1312222), (71, 1016510), (110, 656111), (142, 508255), (355, 203302), (710, 101651), (781, 92410), (1562, 46205), (3905, 18482), (7810, 9241)]