81625895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{2207}}^1$

素因数の和:2794

約数の個数: 16

約数和(自身を含む): 105719040

約数和(自身を除く): 24093145

約数列:

[1, 5, 13, 65, 569, 2207, 2845, 7397, 11035, 28691, 36985, 143455, 1255783, 6278915, 16325179, 81625895]

約数ペア:

[(1, 81625895), (5, 16325179), (13, 6278915), (65, 1255783), (569, 143455), (2207, 36985), (2845, 28691), (7397, 11035)]