25426545

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 42240000

約数和(自身を除く): 16813455

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 395, 499, 645, 1185, 1497, 2495, 3397, 7485, 10191, 16985, 21457, 39421, 50955, 64371, 107285, 118263, 197105, 321855, 591315, 1695103, 5085309, 8475515, 25426545]

約数ペア:

[(1, 25426545), (3, 8475515), (5, 5085309), (15, 1695103), (43, 591315), (79, 321855), (129, 197105), (215, 118263), (237, 107285), (395, 64371), (499, 50955), (645, 39421), (1185, 21457), (1497, 16985), (2495, 10191), (3397, 7485)]