80821546

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1\times {\mathrm{491}}^1$

素因数の和:1006

約数の個数: 24

約数和(自身を含む): 131812704

約数和(自身を除く): 50991158

約数列:

[1, 2, 13, 26, 169, 338, 487, 491, 974, 982, 6331, 6383, 12662, 12766, 82303, 82979, 164606, 165958, 239117, 478234, 3108521, 6217042, 40410773, 80821546]

約数ペア:

[(1, 80821546), (2, 40410773), (13, 6217042), (26, 3108521), (169, 478234), (338, 239117), (487, 165958), (491, 164606), (974, 82979), (982, 82303), (6331, 12766), (6383, 12662)]