251058860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{965611}}^1$

素因数の和:965633

約数の個数: 24

約数和(自身を含む): 567779856

約数和(自身を除く): 316720996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 965611, 1931222, 3862444, 4828055, 9656110, 12552943, 19312220, 25105886, 50211772, 62764715, 125529430, 251058860]

約数ペア:

[(1, 251058860), (2, 125529430), (4, 62764715), (5, 50211772), (10, 25105886), (13, 19312220), (20, 12552943), (26, 9656110), (52, 4828055), (65, 3862444), (130, 1931222), (260, 965611)]