261919404

素因数分解:

$2^2\times 3^2\times {\mathrm{691}}^1\times {\mathrm{10529}}^1$

素因数の和:11230

約数の個数: 36

約数和(自身を含む): 663095160

約数和(自身を除く): 401175756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 691, 1382, 2073, 2764, 4146, 6219, 8292, 10529, 12438, 21058, 24876, 31587, 42116, 63174, 94761, 126348, 189522, 379044, 7275539, 14551078, 21826617, 29102156, 43653234, 65479851, 87306468, 130959702, 261919404]

約数ペア:

[(1, 261919404), (2, 130959702), (3, 87306468), (4, 65479851), (6, 43653234), (9, 29102156), (12, 21826617), (18, 14551078), (36, 7275539), (691, 379044), (1382, 189522), (2073, 126348), (2764, 94761), (4146, 63174), (6219, 42116), (8292, 31587), (10529, 24876), (12438, 21058)]