2816872009

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{276191}}^1$

素因数の和:276276

約数の個数: 16

約数和(自身を含む): 3393847296

約数和(自身を除く): 576975287

約数列:

[1, 7, 31, 47, 217, 329, 1457, 10199, 276191, 1933337, 8561921, 12980977, 59933447, 90866839, 402410287, 2816872009]

約数ペア:

[(1, 2816872009), (7, 402410287), (31, 90866839), (47, 59933447), (217, 12980977), (329, 8561921), (1457, 1933337), (10199, 276191)]