81131608

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{171889}}^1$

素因数の和:171954

約数の個数: 16

約数和(自身を含む): 154701000

約数和(自身を除く): 73569392

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 171889, 343778, 687556, 1375112, 10141451, 20282902, 40565804, 81131608]

約数ペア:

[(1, 81131608), (2, 40565804), (4, 20282902), (8, 10141451), (59, 1375112), (118, 687556), (236, 343778), (472, 171889)]