81729764

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{28657}}^1$

素因数の和:28715

約数の個数: 24

約数和(自身を含む): 154065408

約数和(自身を除く): 72335644

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 713, 1426, 2852, 28657, 57314, 114628, 659111, 888367, 1318222, 1776734, 2636444, 3553468, 20432441, 40864882, 81729764]

約数ペア:

[(1, 81729764), (2, 40864882), (4, 20432441), (23, 3553468), (31, 2636444), (46, 1776734), (62, 1318222), (92, 888367), (124, 659111), (713, 114628), (1426, 57314), (2852, 28657)]