280325656405

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{73}}^1\times {\mathrm{913217}}^1$

素因数の和:913353

約数の個数: 24

約数和(自身を含む): 353163317832

約数和(自身を除く): 72837661427

約数列:

[1, 5, 29, 73, 145, 365, 841, 2117, 4205, 10585, 61393, 306965, 913217, 4566085, 26483293, 66664841, 132416465, 333324205, 768015497, 1933280389, 3840077485, 9666401945, 56065131281, 280325656405]

約数ペア:

[(1, 280325656405), (5, 56065131281), (29, 9666401945), (73, 3840077485), (145, 1933280389), (365, 768015497), (841, 333324205), (2117, 132416465), (4205, 66664841), (10585, 26483293), (61393, 4566085), (306965, 913217)]