64490530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1151}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 125411328

約数和(自身を除く): 60920798

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 862, 1151, 2155, 2302, 4310, 5603, 5755, 11206, 11510, 14963, 28015, 29926, 56030, 74815, 149630, 496081, 992162, 2480405, 4960810, 6449053, 12898106, 32245265, 64490530]

約数ペア:

[(1, 64490530), (2, 32245265), (5, 12898106), (10, 6449053), (13, 4960810), (26, 2480405), (65, 992162), (130, 496081), (431, 149630), (862, 74815), (1151, 56030), (2155, 29926), (2302, 28015), (4310, 14963), (5603, 11510), (5755, 11206)]