640891572

素因数分解:

$2^2\times 3^1\times {\mathrm{53407631}}^1$

素因数の和:53407638

約数の個数: 12

約数和(自身を含む): 1495413696

約数和(自身を除く): 854522124

約数列:

[1, 2, 3, 4, 6, 12, 53407631, 106815262, 160222893, 213630524, 320445786, 640891572]

約数ペア:

[(1, 640891572), (2, 320445786), (3, 213630524), (4, 160222893), (6, 106815262), (12, 53407631)]