665301845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{617}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 880219872

約数和(自身を除く): 214918027

約数列:

[1, 5, 13, 53, 65, 265, 313, 617, 689, 1565, 3085, 3445, 4069, 8021, 16589, 20345, 32701, 40105, 82945, 163505, 193121, 215657, 425113, 965605, 1078285, 2125565, 2510573, 10235413, 12552865, 51177065, 133060369, 665301845]

約数ペア:

[(1, 665301845), (5, 133060369), (13, 51177065), (53, 12552865), (65, 10235413), (265, 2510573), (313, 2125565), (617, 1078285), (689, 965605), (1565, 425113), (3085, 215657), (3445, 193121), (4069, 163505), (8021, 82945), (16589, 40105), (20345, 32701)]