128391742

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1\times {\mathrm{757}}^1$

素因数の和:1515

約数の個数: 16

約数和(自身を含む): 194563440

約数和(自身を除く): 66171698

約数列:

[1, 2, 137, 274, 619, 757, 1238, 1514, 84803, 103709, 169606, 207418, 468583, 937166, 64195871, 128391742]

約数ペア:

[(1, 128391742), (2, 64195871), (137, 937166), (274, 468583), (619, 207418), (757, 169606), (1238, 103709), (1514, 84803)]