640142574

素因数分解:

$2^1\times 3^1\times {\mathrm{3079}}^1\times {\mathrm{34651}}^1$

素因数の和:37735

約数の個数: 16

約数和(自身を含む): 1280737920

約数和(自身を除く): 640595346

約数列:

[1, 2, 3, 6, 3079, 6158, 9237, 18474, 34651, 69302, 103953, 207906, 106690429, 213380858, 320071287, 640142574]

約数ペア:

[(1, 640142574), (2, 320071287), (3, 213380858), (6, 106690429), (3079, 207906), (6158, 103953), (9237, 69302), (18474, 34651)]