13221256

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{10139}}^1$

素因数の和:10308

約数の個数: 16

約数和(自身を含む): 24944400

約数和(自身を除く): 11723144

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 10139, 20278, 40556, 81112, 1652657, 3305314, 6610628, 13221256]

約数ペア:

[(1, 13221256), (2, 6610628), (4, 3305314), (8, 1652657), (163, 81112), (326, 40556), (652, 20278), (1304, 10139)]