128595551

素因数分解:

$7^2\times {\mathrm{1619}}^1\times {\mathrm{1621}}^1$

素因数の和:3254

約数の個数: 12

約数和(自身を含む): 149775480

約数和(自身を除く): 21179929

約数列:

[1, 7, 49, 1619, 1621, 11333, 11347, 79331, 79429, 2624399, 18370793, 128595551]

約数ペア:

[(1, 128595551), (7, 18370793), (49, 2624399), (1619, 79429), (1621, 79331), (11333, 11347)]