199947635

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{421}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 251447856

約数和(自身を除く): 51500221

約数列:

[1, 5, 43, 47, 215, 235, 421, 2021, 2105, 2209, 10105, 11045, 18103, 19787, 90515, 94987, 98935, 474935, 850841, 929989, 4254205, 4649945, 39989527, 199947635]

約数ペア:

[(1, 199947635), (5, 39989527), (43, 4649945), (47, 4254205), (215, 929989), (235, 850841), (421, 474935), (2021, 98935), (2105, 94987), (2209, 90515), (10105, 19787), (11045, 18103)]