81791908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{5939}}^1$

素因数の和:6267

約数の個数: 24

約数和(自身を含む): 156673440

約数和(自身を除く): 74881532

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 1252, 3443, 5939, 6886, 11878, 13772, 23756, 65329, 130658, 261316, 1858907, 3717814, 7435628, 20447977, 40895954, 81791908]

約数ペア:

[(1, 81791908), (2, 40895954), (4, 20447977), (11, 7435628), (22, 3717814), (44, 1858907), (313, 261316), (626, 130658), (1252, 65329), (3443, 23756), (5939, 13772), (6886, 11878)]