220178021

素因数分解:

$7^2\times {\mathrm{859}}^1\times {\mathrm{5231}}^1$

素因数の和:6104

約数の個数: 12

約数和(自身を含む): 256472640

約数和(自身を除く): 36294619

約数列:

[1, 7, 49, 859, 5231, 6013, 36617, 42091, 256319, 4493429, 31454003, 220178021]

約数ペア:

[(1, 220178021), (7, 31454003), (49, 4493429), (859, 256319), (5231, 42091), (6013, 36617)]