78245830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2221}}^1$

素因数の和:2512

約数の個数: 32

約数和(自身を含む): 152304768

約数和(自身を除く): 74058938

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 1355, 2221, 2710, 3523, 4442, 7046, 11105, 17615, 22210, 28873, 35230, 57746, 144365, 288730, 601891, 1203782, 3009455, 6018910, 7824583, 15649166, 39122915, 78245830]

約数ペア:

[(1, 78245830), (2, 39122915), (5, 15649166), (10, 7824583), (13, 6018910), (26, 3009455), (65, 1203782), (130, 601891), (271, 288730), (542, 144365), (1355, 57746), (2221, 35230), (2710, 28873), (3523, 22210), (4442, 17615), (7046, 11105)]