389861825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{1223}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 497218176

約数和(自身を除く): 107356351

約数列:

[1, 5, 25, 41, 205, 311, 1025, 1223, 1555, 6115, 7775, 12751, 30575, 50143, 63755, 250715, 318775, 380353, 1253575, 1901765, 9508825, 15594473, 77972365, 389861825]

約数ペア:

[(1, 389861825), (5, 77972365), (25, 15594473), (41, 9508825), (205, 1901765), (311, 1253575), (1025, 380353), (1223, 318775), (1555, 250715), (6115, 63755), (7775, 50143), (12751, 30575)]