211739905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1\times {\mathrm{2539}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 273954240

約数和(自身を除く): 62214335

約数列:

[1, 5, 13, 65, 1283, 2539, 6415, 12695, 16679, 33007, 83395, 165035, 3257537, 16287685, 42347981, 211739905]

約数ペア:

[(1, 211739905), (5, 42347981), (13, 16287685), (65, 3257537), (1283, 165035), (2539, 83395), (6415, 33007), (12695, 16679)]