128530843

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{1249}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 150040000

約数和(自身を除く): 21509157

約数列:

[1, 7, 61, 241, 427, 1249, 1687, 8743, 14701, 76189, 102907, 301009, 533323, 2107063, 18361549, 128530843]

約数ペア:

[(1, 128530843), (7, 18361549), (61, 2107063), (241, 533323), (427, 301009), (1249, 102907), (1687, 76189), (8743, 14701)]