212451407

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{228197}}^1$

素因数の和:228230

約数の個数: 12

約数和(自身を含む): 260145720

約数和(自身を除く): 47694313

約数列:

[1, 7, 19, 49, 133, 931, 228197, 1597379, 4335743, 11181653, 30350201, 212451407]

約数ペア:

[(1, 212451407), (7, 30350201), (19, 11181653), (49, 4335743), (133, 1597379), (931, 228197)]