25978985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4483}}^1$

素因数の和:4568

約数の個数: 16

約数和(自身を含む): 33360960

約数和(自身を除く): 7381975

約数列:

[1, 5, 19, 61, 95, 305, 1159, 4483, 5795, 22415, 85177, 273463, 425885, 1367315, 5195797, 25978985]

約数ペア:

[(1, 25978985), (5, 5195797), (19, 1367315), (61, 425885), (95, 273463), (305, 85177), (1159, 22415), (4483, 5795)]