13643825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41981}}^1$

素因数の和:42004

約数の個数: 12

約数和(自身を含む): 18220188

約数和(自身を除く): 4576363

約数列:

[1, 5, 13, 25, 65, 325, 41981, 209905, 545753, 1049525, 2728765, 13643825]

約数ペア:

[(1, 13643825), (5, 2728765), (13, 1049525), (25, 545753), (65, 209905), (325, 41981)]