663260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2551}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 1500576

約数和(自身を除く): 837316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2551, 5102, 10204, 12755, 25510, 33163, 51020, 66326, 132652, 165815, 331630, 663260]

約数ペア:

[(1, 663260), (2, 331630), (4, 165815), (5, 132652), (10, 66326), (13, 51020), (20, 33163), (26, 25510), (52, 12755), (65, 10204), (130, 5102), (260, 2551)]