72856328867

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{77521}}^1$

素因数の和:77691

約数の個数: 32

約数和(自身を含む): 88590901248

約数和(自身を除く): 15734572381

約数列:

[1, 7, 31, 61, 71, 217, 427, 497, 1891, 2201, 4331, 13237, 15407, 30317, 77521, 134261, 542647, 939827, 2403151, 4728781, 5503991, 16822057, 33101467, 38527937, 146592211, 170623721, 335743451, 1026145477, 1194366047, 2350204157, 10408046981, 72856328867]

約数ペア:

[(1, 72856328867), (7, 10408046981), (31, 2350204157), (61, 1194366047), (71, 1026145477), (217, 335743451), (427, 170623721), (497, 146592211), (1891, 38527937), (2201, 33101467), (4331, 16822057), (13237, 5503991), (15407, 4728781), (30317, 2403151), (77521, 939827), (134261, 542647)]