81186352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1451}}^1$

素因数の和:1741

約数の個数: 40

約数和(自身を含む): 170145360

約数和(自身を除く): 88959008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 269, 538, 1076, 1451, 2152, 2902, 3497, 4304, 5804, 6994, 11608, 13988, 18863, 23216, 27976, 37726, 55952, 75452, 150904, 301808, 390319, 780638, 1561276, 3122552, 5074147, 6245104, 10148294, 20296588, 40593176, 81186352]

約数ペア:

[(1, 81186352), (2, 40593176), (4, 20296588), (8, 10148294), (13, 6245104), (16, 5074147), (26, 3122552), (52, 1561276), (104, 780638), (208, 390319), (269, 301808), (538, 150904), (1076, 75452), (1451, 55952), (2152, 37726), (2902, 27976), (3497, 23216), (4304, 18863), (5804, 13988), (6994, 11608)]