128657179

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 148881600

約数和(自身を除く): 20224421

約数列:

[1, 7, 149, 293, 421, 1043, 2051, 2947, 43657, 62729, 123353, 305599, 439103, 863471, 18379597, 128657179]

約数ペア:

[(1, 128657179), (7, 18379597), (149, 863471), (293, 439103), (421, 305599), (1043, 123353), (2051, 62729), (2947, 43657)]