28840415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2441}}^1$

素因数の和:2602

約数の個数: 16

約数和(自身を含む): 36923040

約数和(自身を除く): 8082625

約数列:

[1, 5, 17, 85, 139, 695, 2363, 2441, 11815, 12205, 41497, 207485, 339299, 1696495, 5768083, 28840415]

約数ペア:

[(1, 28840415), (5, 5768083), (17, 1696495), (85, 339299), (139, 207485), (695, 41497), (2363, 12205), (2441, 11815)]