164851895

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 219912000

約数和(自身を除く): 55060105

約数列:

[1, 5, 13, 43, 65, 169, 215, 349, 559, 845, 1745, 2197, 2795, 4537, 7267, 10985, 15007, 22685, 36335, 58981, 75035, 94471, 195091, 294905, 472355, 766753, 975455, 2536183, 3833765, 12680915, 32970379, 164851895]

約数ペア:

[(1, 164851895), (5, 32970379), (13, 12680915), (43, 3833765), (65, 2536183), (169, 975455), (215, 766753), (349, 472355), (559, 294905), (845, 195091), (1745, 94471), (2197, 75035), (2795, 58981), (4537, 36335), (7267, 22685), (10985, 15007)]