394887025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{14639}}^1$

素因数の和:14745

約数の個数: 24

約数和(自身を含む): 533715840

約数和(自身を除く): 138828815

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1079, 2075, 5395, 14639, 26975, 73195, 190307, 365975, 951535, 1215037, 4757675, 6075185, 15795481, 30375925, 78977405, 394887025]

約数ペア:

[(1, 394887025), (5, 78977405), (13, 30375925), (25, 15795481), (65, 6075185), (83, 4757675), (325, 1215037), (415, 951535), (1079, 365975), (2075, 190307), (5395, 73195), (14639, 26975)]