646830145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{242713}}^1$

素因数の和:242772

約数の個数: 16

約数和(自身を含む): 856294992

約数和(自身を除く): 209464847

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 242713, 1213565, 3155269, 9951233, 15776345, 49756165, 129366029, 646830145]

約数ペア:

[(1, 646830145), (5, 129366029), (13, 49756165), (41, 15776345), (65, 9951233), (205, 3155269), (533, 1213565), (2665, 242713)]