260815121

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{17939}}^1$

素因数の和:18044

約数の個数: 16

約数和(自身を含む): 312299520

約数和(自身を除く): 51484399

約数列:

[1, 7, 31, 67, 217, 469, 2077, 14539, 17939, 125573, 556109, 1201913, 3892763, 8413391, 37259303, 260815121]

約数ペア:

[(1, 260815121), (7, 37259303), (31, 8413391), (67, 3892763), (217, 1201913), (469, 556109), (2077, 125573), (14539, 17939)]