31121699

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 36903168

約数和(自身を除く): 5781469

約数列:

[1, 7, 37, 107, 259, 749, 1123, 3959, 7861, 27713, 41551, 120161, 290857, 841127, 4445957, 31121699]

約数ペア:

[(1, 31121699), (7, 4445957), (37, 841127), (107, 290857), (259, 120161), (749, 41551), (1123, 27713), (3959, 7861)]