199999216

素因数分解:

$2^4\times {\mathrm{607}}^1\times {\mathrm{20593}}^1$

素因数の和:21208

約数の個数: 20

約数和(自身を含む): 388155712

約数和(自身を除く): 188156496

約数列:

[1, 2, 4, 8, 16, 607, 1214, 2428, 4856, 9712, 20593, 41186, 82372, 164744, 329488, 12499951, 24999902, 49999804, 99999608, 199999216]

約数ペア:

[(1, 199999216), (2, 99999608), (4, 49999804), (8, 24999902), (16, 12499951), (607, 329488), (1214, 164744), (2428, 82372), (4856, 41186), (9712, 20593)]