633134890

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{157889}}^1$

素因数の和:158297

約数の個数: 16

約数和(自身を含む): 1142492040

約数和(自身を除く): 509357150

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 157889, 315778, 789445, 1578890, 63313489, 126626978, 316567445, 633134890]

約数ペア:

[(1, 633134890), (2, 316567445), (5, 126626978), (10, 63313489), (401, 1578890), (802, 789445), (2005, 315778), (4010, 157889)]