814971950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1253803}}^1$

素因数の和:1253828

約数の個数: 24

約数和(自身を含む): 1632452808

約数和(自身を除く): 817480858

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1253803, 2507606, 6269015, 12538030, 16299439, 31345075, 32598878, 62690150, 81497195, 162994390, 407485975, 814971950]

約数ペア:

[(1, 814971950), (2, 407485975), (5, 162994390), (10, 81497195), (13, 62690150), (25, 32598878), (26, 31345075), (50, 16299439), (65, 12538030), (130, 6269015), (325, 2507606), (650, 1253803)]