42637775

素因数分解:

$5^2\times {\mathrm{991}}^1\times {\mathrm{1721}}^1$

素因数の和:2722

約数の個数: 12

約数和(自身を含む): 52954944

約数和(自身を除く): 10317169

約数列:

[1, 5, 25, 991, 1721, 4955, 8605, 24775, 43025, 1705511, 8527555, 42637775]

約数ペア:

[(1, 42637775), (5, 8527555), (25, 1705511), (991, 43025), (1721, 24775), (4955, 8605)]