68908225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{577}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 90951768

約数和(自身を除く): 22043543

約数列:

[1, 5, 17, 25, 85, 281, 425, 577, 1405, 2885, 4777, 7025, 9809, 14425, 23885, 49045, 119425, 162137, 245225, 810685, 2756329, 4053425, 13781645, 68908225]

約数ペア:

[(1, 68908225), (5, 13781645), (17, 4053425), (25, 2756329), (85, 810685), (281, 245225), (425, 162137), (577, 119425), (1405, 49045), (2885, 23885), (4777, 14425), (7025, 9809)]