81711364

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{701}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 171714816

約数和(自身を除く): 90003452

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 181, 322, 362, 644, 701, 724, 1267, 1402, 2534, 2804, 4163, 4907, 5068, 8326, 9814, 16123, 16652, 19628, 29141, 32246, 58282, 64492, 112861, 116564, 126881, 225722, 253762, 451444, 507524, 888167, 1776334, 2918263, 3552668, 5836526, 11673052, 20427841, 40855682, 81711364]

約数ペア:

[(1, 81711364), (2, 40855682), (4, 20427841), (7, 11673052), (14, 5836526), (23, 3552668), (28, 2918263), (46, 1776334), (92, 888167), (161, 507524), (181, 451444), (322, 253762), (362, 225722), (644, 126881), (701, 116564), (724, 112861), (1267, 64492), (1402, 58282), (2534, 32246), (2804, 29141), (4163, 19628), (4907, 16652), (5068, 16123), (8326, 9814)]