28553915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1621}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 37059456

約数和(自身を除く): 8505541

約数列:

[1, 5, 13, 65, 271, 1355, 1621, 3523, 8105, 17615, 21073, 105365, 439291, 2196455, 5710783, 28553915]

約数ペア:

[(1, 28553915), (5, 5710783), (13, 2196455), (65, 439291), (271, 105365), (1355, 21073), (1621, 17615), (3523, 8105)]