161857891

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{22273}}^1$

素因数の和:22342

約数の個数: 12

約数和(自身を含む): 179350248

約数和(自身を除く): 17492357

約数列:

[1, 13, 43, 169, 559, 7267, 22273, 289549, 957739, 3764137, 12450607, 161857891]

約数ペア:

[(1, 161857891), (13, 12450607), (43, 3764137), (169, 957739), (559, 289549), (7267, 22273)]