642634561

素因数分解:

${\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{31319}}^1$

素因数の和:31424

約数の個数: 12

約数和(自身を含む): 692297280

約数和(自身を除く): 49662719

約数列:

[1, 17, 71, 289, 1207, 20519, 31319, 532423, 2223649, 9051191, 37802033, 642634561]

約数ペア:

[(1, 642634561), (17, 37802033), (71, 9051191), (289, 2223649), (1207, 532423), (20519, 31319)]