12127505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4339}}^1$

素因数の和:4400

約数の個数: 16

約数和(自身を含む): 16040640

約数和(自身を除く): 3913135

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 4339, 21695, 56407, 186577, 282035, 932885, 2425501, 12127505]

約数ペア:

[(1, 12127505), (5, 2425501), (13, 932885), (43, 282035), (65, 186577), (215, 56407), (559, 21695), (2795, 4339)]