31390219

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1307}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 37168128

約数和(自身を除く): 5777909

約数列:

[1, 7, 47, 73, 329, 511, 1307, 3431, 9149, 24017, 61429, 95411, 430003, 667877, 4484317, 31390219]

約数ペア:

[(1, 31390219), (7, 4484317), (47, 667877), (73, 430003), (329, 95411), (511, 61429), (1307, 24017), (3431, 9149)]