2170685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 2892672

約数和(自身を除く): 721987

約数列:

[1, 5, 11, 55, 61, 305, 647, 671, 3235, 3355, 7117, 35585, 39467, 197335, 434137, 2170685]

約数ペア:

[(1, 2170685), (5, 434137), (11, 197335), (55, 39467), (61, 35585), (305, 7117), (647, 3355), (671, 3235)]