64802425

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 82887552

約数和(自身を除く): 18085127

約数列:

[1, 5, 25, 47, 131, 235, 421, 655, 1175, 2105, 3275, 6157, 10525, 19787, 30785, 55151, 98935, 153925, 275755, 494675, 1378775, 2592097, 12960485, 64802425]

約数ペア:

[(1, 64802425), (5, 12960485), (25, 2592097), (47, 1378775), (131, 494675), (235, 275755), (421, 153925), (655, 98935), (1175, 55151), (2105, 30785), (3275, 19787), (6157, 10525)]