257733970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{12163}}^1$

素因数の和:12346

約数の個数: 32

約数和(自身を含む): 502713792

約数和(自身を除く): 244979822

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 10595, 12163, 21190, 24326, 60815, 121630, 158119, 316238, 790595, 1581190, 1982569, 3965138, 9912845, 19825690, 25773397, 51546794, 128866985, 257733970]

約数ペア:

[(1, 257733970), (2, 128866985), (5, 51546794), (10, 25773397), (13, 19825690), (26, 9912845), (65, 3965138), (130, 1982569), (163, 1581190), (326, 790595), (815, 316238), (1630, 158119), (2119, 121630), (4238, 60815), (10595, 24326), (12163, 21190)]