42707275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 57347024

約数和(自身を除く): 14639749

約数列:

[1, 5, 13, 25, 65, 325, 331, 397, 1655, 1985, 4303, 5161, 8275, 9925, 21515, 25805, 107575, 129025, 131407, 657035, 1708291, 3285175, 8541455, 42707275]

約数ペア:

[(1, 42707275), (5, 8541455), (13, 3285175), (25, 1708291), (65, 657035), (325, 131407), (331, 129025), (397, 107575), (1655, 25805), (1985, 21515), (4303, 9925), (5161, 8275)]