81897768

素因数分解:

$2^3\times 3^2\times {\mathrm{877}}^1\times {\mathrm{1297}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 222230580

約数和(自身を除く): 140332812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 877, 1297, 1754, 2594, 2631, 3508, 3891, 5188, 5262, 7016, 7782, 7893, 10376, 10524, 11673, 15564, 15786, 21048, 23346, 31128, 31572, 46692, 63144, 93384, 1137469, 2274938, 3412407, 4549876, 6824814, 9099752, 10237221, 13649628, 20474442, 27299256, 40948884, 81897768]

約数ペア:

[(1, 81897768), (2, 40948884), (3, 27299256), (4, 20474442), (6, 13649628), (8, 10237221), (9, 9099752), (12, 6824814), (18, 4549876), (24, 3412407), (36, 2274938), (72, 1137469), (877, 93384), (1297, 63144), (1754, 46692), (2594, 31572), (2631, 31128), (3508, 23346), (3891, 21048), (5188, 15786), (5262, 15564), (7016, 11673), (7782, 10524), (7893, 10376)]