28408510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218527}}^1$

素因数の和:218547

約数の個数: 16

約数和(自身を含む): 55069056

約数和(自身を除く): 26660546

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218527, 437054, 1092635, 2185270, 2840851, 5681702, 14204255, 28408510]

約数ペア:

[(1, 28408510), (2, 14204255), (5, 5681702), (10, 2840851), (13, 2185270), (26, 1092635), (65, 437054), (130, 218527)]