542786525

素因数分解:

$5^2\times {\mathrm{89}}^2\times {\mathrm{2741}}^1$

素因数の和:2929

約数の個数: 18

約数和(自身を含む): 680951022

約数和(自身を除く): 138164497

約数列:

[1, 5, 25, 89, 445, 2225, 2741, 7921, 13705, 39605, 68525, 198025, 243949, 1219745, 6098725, 21711461, 108557305, 542786525]

約数ペア:

[(1, 542786525), (5, 108557305), (25, 21711461), (89, 6098725), (445, 1219745), (2225, 243949), (2741, 198025), (7921, 68525), (13705, 39605)]