622505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 822864

約数和(自身を除く): 200359

約数列:

[1, 5, 13, 61, 65, 157, 305, 785, 793, 2041, 3965, 9577, 10205, 47885, 124501, 622505]

約数ペア:

[(1, 622505), (5, 124501), (13, 47885), (61, 10205), (65, 9577), (157, 3965), (305, 2041), (785, 793)]