85431638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{12421}}^1$

素因数の和:12623

約数の個数: 16

約数和(自身を含む): 135648240

約数和(自身を除く): 50216602

約数列:

[1, 2, 19, 38, 181, 362, 3439, 6878, 12421, 24842, 235999, 471998, 2248201, 4496402, 42715819, 85431638]

約数ペア:

[(1, 85431638), (2, 42715819), (19, 4496402), (38, 2248201), (181, 471998), (362, 235999), (3439, 24842), (6878, 12421)]