61400305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20849}}^1$

素因数の和:20904

約数の個数: 16

約数和(自身を含む): 80064000

約数和(自身を除く): 18663695

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 20849, 104245, 396131, 646319, 1980655, 3231595, 12280061, 61400305]

約数ペア:

[(1, 61400305), (5, 12280061), (19, 3231595), (31, 1980655), (95, 646319), (155, 396131), (589, 104245), (2945, 20849)]