156914875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1583}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 214486272

約数和(自身を除く): 57571397

約数列:

[1, 5, 13, 25, 61, 65, 125, 305, 325, 793, 1525, 1583, 1625, 3965, 7625, 7915, 19825, 20579, 39575, 96563, 99125, 102895, 197875, 482815, 514475, 1255319, 2414075, 2572375, 6276595, 12070375, 31382975, 156914875]

約数ペア:

[(1, 156914875), (5, 31382975), (13, 12070375), (25, 6276595), (61, 2572375), (65, 2414075), (125, 1255319), (305, 514475), (325, 482815), (793, 197875), (1525, 102895), (1583, 99125), (1625, 96563), (3965, 39575), (7625, 20579), (7915, 19825)]