81530768

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1831}}^1$

素因数の和:1884

約数の個数: 60

約数和(自身を含む): 181280064

約数和(自身を除く): 99749296

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 484, 506, 968, 1012, 1831, 1936, 2024, 2783, 3662, 4048, 5566, 7324, 11132, 14648, 20141, 22264, 29296, 40282, 42113, 44528, 80564, 84226, 161128, 168452, 221551, 322256, 336904, 443102, 463243, 673808, 886204, 926486, 1772408, 1852972, 3544816, 3705944, 5095673, 7411888, 10191346, 20382692, 40765384, 81530768]

約数ペア:

[(1, 81530768), (2, 40765384), (4, 20382692), (8, 10191346), (11, 7411888), (16, 5095673), (22, 3705944), (23, 3544816), (44, 1852972), (46, 1772408), (88, 926486), (92, 886204), (121, 673808), (176, 463243), (184, 443102), (242, 336904), (253, 322256), (368, 221551), (484, 168452), (506, 161128), (968, 84226), (1012, 80564), (1831, 44528), (1936, 42113), (2024, 40282), (2783, 29296), (3662, 22264), (4048, 20141), (5566, 14648), (7324, 11132)]