289355245

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{21067}}^1$

素因数の和:21180

約数の個数: 16

約数和(自身を含む): 361021248

約数和(自身を除く): 71666003

約数列:

[1, 5, 41, 67, 205, 335, 2747, 13735, 21067, 105335, 863747, 1411489, 4318735, 7057445, 57871049, 289355245]

約数ペア:

[(1, 289355245), (5, 57871049), (41, 7057445), (67, 4318735), (205, 1411489), (335, 863747), (2747, 105335), (13735, 21067)]