8220685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1244

約数の個数: 16

約数和(自身を含む): 10850112

約数和(自身を除く): 2629427

約数列:

[1, 5, 11, 55, 137, 685, 1091, 1507, 5455, 7535, 12001, 60005, 149467, 747335, 1644137, 8220685]

約数ペア:

[(1, 8220685), (5, 1644137), (11, 747335), (55, 149467), (137, 60005), (685, 12001), (1091, 7535), (1507, 5455)]