1661191565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1589657}}^1$

素因数の和:1589692

約数の個数: 16

約数和(自身を含む): 2289107520

約数和(自身を除く): 627915955

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 1589657, 7948285, 17486227, 30203483, 87431135, 151017415, 332238313, 1661191565]

約数ペア:

[(1, 1661191565), (5, 332238313), (11, 151017415), (19, 87431135), (55, 30203483), (95, 17486227), (209, 7948285), (1045, 1589657)]