81636208

素因数分解:

$2^4\times {\mathrm{37}}^2\times {\mathrm{3727}}^1$

素因数の和:3809

約数の個数: 30

約数和(自身を含む): 162604176

約数和(自身を除く): 80967968

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1369, 2738, 3727, 5476, 7454, 10952, 14908, 21904, 29816, 59632, 137899, 275798, 551596, 1103192, 2206384, 5102263, 10204526, 20409052, 40818104, 81636208]

約数ペア:

[(1, 81636208), (2, 40818104), (4, 20409052), (8, 10204526), (16, 5102263), (37, 2206384), (74, 1103192), (148, 551596), (296, 275798), (592, 137899), (1369, 59632), (2738, 29816), (3727, 21904), (5476, 14908), (7454, 10952)]