319481630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{15077}}^1$

素因数の和:15260

約数の個数: 32

約数和(自身を含む): 623143584

約数和(自身を除く): 303661954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 10595, 15077, 21190, 30154, 75385, 150770, 196001, 392002, 980005, 1960010, 2457551, 4915102, 12287755, 24575510, 31948163, 63896326, 159740815, 319481630]

約数ペア:

[(1, 319481630), (2, 159740815), (5, 63896326), (10, 31948163), (13, 24575510), (26, 12287755), (65, 4915102), (130, 2457551), (163, 1960010), (326, 980005), (815, 392002), (1630, 196001), (2119, 150770), (4238, 75385), (10595, 30154), (15077, 21190)]