426978025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{240551}}^1$

素因数の和:240632

約数の個数: 12

約数和(自身を含む): 536912064

約数和(自身を除く): 109934039

約数列:

[1, 5, 25, 71, 355, 1775, 240551, 1202755, 6013775, 17079121, 85395605, 426978025]

約数ペア:

[(1, 426978025), (5, 85395605), (25, 17079121), (71, 6013775), (355, 1202755), (1775, 240551)]