254401895

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{420499}}^1$

素因数の和:420526

約数の個数: 12

約数和(自身を含む): 335559000

約数和(自身を除く): 81157105

約数列:

[1, 5, 11, 55, 121, 605, 420499, 2102495, 4625489, 23127445, 50880379, 254401895]

約数ペア:

[(1, 254401895), (5, 50880379), (11, 23127445), (55, 4625489), (121, 2102495), (605, 420499)]