81155564

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{10099}}^1$

素因数の和:10158

約数の個数: 36

約数和(自身を含む): 169255800

約数和(自身を除く): 88100236

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 4018, 8036, 10099, 20198, 40396, 70693, 141386, 282772, 414059, 494851, 828118, 989702, 1656236, 1979404, 2898413, 5796826, 11593652, 20288891, 40577782, 81155564]

約数ペア:

[(1, 81155564), (2, 40577782), (4, 20288891), (7, 11593652), (14, 5796826), (28, 2898413), (41, 1979404), (49, 1656236), (82, 989702), (98, 828118), (164, 494851), (196, 414059), (287, 282772), (574, 141386), (1148, 70693), (2009, 40396), (4018, 20198), (8036, 10099)]