203601905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{2903}}^1$

素因数の和:3017

約数の個数: 24

約数和(自身を含む): 267841728

約数和(自身を除く): 64239823

約数列:

[1, 5, 13, 65, 83, 169, 415, 845, 1079, 2903, 5395, 14027, 14515, 37739, 70135, 188695, 240949, 490607, 1204745, 2453035, 3132337, 15661685, 40720381, 203601905]

約数ペア:

[(1, 203601905), (5, 40720381), (13, 15661685), (65, 3132337), (83, 2453035), (169, 1204745), (415, 490607), (845, 240949), (1079, 188695), (2903, 70135), (5395, 37739), (14027, 14515)]