636690431

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2293}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 725417856

約数和(自身を除く): 88727425

約数列:

[1, 13, 31, 53, 169, 403, 689, 1643, 2293, 5239, 8957, 21359, 29809, 71083, 121529, 277667, 387517, 924079, 1579877, 3767399, 12013027, 20538401, 48976187, 636690431]

約数ペア:

[(1, 636690431), (13, 48976187), (31, 20538401), (53, 12013027), (169, 3767399), (403, 1579877), (689, 924079), (1643, 387517), (2293, 277667), (5239, 121529), (8957, 71083), (21359, 29809)]