55719142

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{2521}}^1$

素因数の和:2823

約数の個数: 16

約数和(自身を含む): 85889232

約数和(自身を除く): 30170090

約数列:

[1, 2, 43, 86, 257, 514, 2521, 5042, 11051, 22102, 108403, 216806, 647897, 1295794, 27859571, 55719142]

約数ペア:

[(1, 55719142), (2, 27859571), (43, 1295794), (86, 647897), (257, 216806), (514, 108403), (2521, 22102), (5042, 11051)]