81712895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{9839}}^1$

素因数の和:10006

約数の個数: 16

約数和(自身を含む): 107688960

約数和(自身を除く): 25976065

約数列:

[1, 5, 11, 55, 151, 755, 1661, 8305, 9839, 49195, 108229, 541145, 1485689, 7428445, 16342579, 81712895]

約数ペア:

[(1, 81712895), (5, 16342579), (11, 7428445), (55, 1485689), (151, 541145), (755, 108229), (1661, 49195), (8305, 9839)]