66219565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2621}}^1$

素因数の和:2820

約数の個数: 16

約数和(自身を含む): 82561536

約数和(自身を除く): 16341971

約数列:

[1, 5, 31, 155, 163, 815, 2621, 5053, 13105, 25265, 81251, 406255, 427223, 2136115, 13243913, 66219565]

約数ペア:

[(1, 66219565), (5, 13243913), (31, 2136115), (155, 427223), (163, 406255), (815, 81251), (2621, 25265), (5053, 13105)]