16990564

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 30665376

約数和(自身を除く): 13674812

約数列:

[1, 2, 4, 41, 82, 164, 211, 422, 491, 844, 982, 1964, 8651, 17302, 20131, 34604, 40262, 80524, 103601, 207202, 414404, 4247641, 8495282, 16990564]

約数ペア:

[(1, 16990564), (2, 8495282), (4, 4247641), (41, 414404), (82, 207202), (164, 103601), (211, 80524), (422, 40262), (491, 34604), (844, 20131), (982, 17302), (1964, 8651)]