158721985

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{1627}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 193406400

約数和(自身を除く): 34684415

約数列:

[1, 5, 109, 179, 545, 895, 1627, 8135, 19511, 97555, 177343, 291233, 886715, 1456165, 31744397, 158721985]

約数ペア:

[(1, 158721985), (5, 31744397), (109, 1456165), (179, 886715), (545, 291233), (895, 177343), (1627, 97555), (8135, 19511)]