259043405

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1\times {\mathrm{1129}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 314727600

約数和(自身を除く): 55684195

約数列:

[1, 5, 109, 421, 545, 1129, 2105, 5645, 45889, 123061, 229445, 475309, 615305, 2376545, 51808681, 259043405]

約数ペア:

[(1, 259043405), (5, 51808681), (109, 2376545), (421, 615305), (545, 475309), (1129, 229445), (2105, 123061), (5645, 45889)]