203903965

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{4019}}^1$

素因数の和:4236

約数の個数: 16

約数和(自身を含む): 249883200

約数和(自身を除く): 45979235

約数列:

[1, 5, 73, 139, 365, 695, 4019, 10147, 20095, 50735, 293387, 558641, 1466935, 2793205, 40780793, 203903965]

約数ペア:

[(1, 203903965), (5, 40780793), (73, 2793205), (139, 1466935), (365, 558641), (695, 293387), (4019, 50735), (10147, 20095)]