68517905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{26003}}^1$

素因数の和:26056

約数の個数: 16

約数和(自身を含む): 89869824

約数和(自身を除く): 21351919

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 26003, 130015, 442051, 806093, 2210255, 4030465, 13703581, 68517905]

約数ペア:

[(1, 68517905), (5, 13703581), (17, 4030465), (31, 2210255), (85, 806093), (155, 442051), (527, 130015), (2635, 26003)]