31086881

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 36902400

約数和(自身を除く): 5815519

約数列:

[1, 7, 47, 61, 329, 427, 1549, 2867, 10843, 20069, 72803, 94489, 509621, 661423, 4440983, 31086881]

約数ペア:

[(1, 31086881), (7, 4440983), (47, 661423), (61, 509621), (329, 94489), (427, 72803), (1549, 20069), (2867, 10843)]