861696145

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 1085031936

約数和(自身を除く): 223335791

約数列:

[1, 5, 37, 101, 107, 185, 431, 505, 535, 2155, 3737, 3959, 10807, 15947, 18685, 19795, 43531, 46117, 54035, 79735, 217655, 230585, 399859, 1610647, 1706329, 1999295, 4657817, 8053235, 8531645, 23289085, 172339229, 861696145]

約数ペア:

[(1, 861696145), (5, 172339229), (37, 23289085), (101, 8531645), (107, 8053235), (185, 4657817), (431, 1999295), (505, 1706329), (535, 1610647), (2155, 399859), (3737, 230585), (3959, 217655), (10807, 79735), (15947, 54035), (18685, 46117), (19795, 43531)]