42538288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{204511}}^1$

素因数の和:204532

約数の個数: 20

約数和(自身を含む): 88758208

約数和(自身を除く): 46219920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 204511, 409022, 818044, 1636088, 2658643, 3272176, 5317286, 10634572, 21269144, 42538288]

約数ペア:

[(1, 42538288), (2, 21269144), (4, 10634572), (8, 5317286), (13, 3272176), (16, 2658643), (26, 1636088), (52, 818044), (104, 409022), (208, 204511)]