157025281

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 182286720

約数和(自身を除く): 25261439

約数列:

[1, 7, 89, 307, 623, 821, 2149, 5747, 27323, 73069, 191261, 252047, 511483, 1764329, 22432183, 157025281]

約数ペア:

[(1, 157025281), (7, 22432183), (89, 1764329), (307, 511483), (623, 252047), (821, 191261), (2149, 73069), (5747, 27323)]