55508719

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:468

約数の個数: 20

約数和(自身を含む): 65991560

約数和(自身を除く): 10482841

約数列:

[1, 7, 49, 61, 343, 379, 427, 2401, 2653, 2989, 18571, 20923, 23119, 129997, 146461, 161833, 909979, 1132831, 7929817, 55508719]

約数ペア:

[(1, 55508719), (7, 7929817), (49, 1132831), (61, 909979), (343, 161833), (379, 146461), (427, 129997), (2401, 23119), (2653, 20923), (2989, 18571)]