81721484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{68329}}^1$

素因数の和:68369

約数の個数: 24

約数和(自身を含む): 160712160

約数和(自身を除く): 78990676

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 68329, 136658, 273316, 888277, 1571567, 1776554, 3143134, 3553108, 6286268, 20430371, 40860742, 81721484]

約数ペア:

[(1, 81721484), (2, 40860742), (4, 20430371), (13, 6286268), (23, 3553108), (26, 3143134), (46, 1776554), (52, 1571567), (92, 888277), (299, 273316), (598, 136658), (1196, 68329)]