78816865

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{1609}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 96561360

約数和(自身を除く): 17744495

約数列:

[1, 5, 97, 101, 485, 505, 1609, 8045, 9797, 48985, 156073, 162509, 780365, 812545, 15763373, 78816865]

約数ペア:

[(1, 78816865), (5, 15763373), (97, 812545), (101, 780365), (485, 162509), (505, 156073), (1609, 48985), (8045, 9797)]