28807753

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 33445440

約数和(自身を除く): 4637687

約数列:

[1, 13, 23, 59, 71, 299, 529, 767, 923, 1357, 1633, 4189, 6877, 17641, 21229, 31211, 37559, 54457, 96347, 405743, 488267, 1252511, 2215981, 28807753]

約数ペア:

[(1, 28807753), (13, 2215981), (23, 1252511), (59, 488267), (71, 405743), (299, 96347), (529, 54457), (767, 37559), (923, 31211), (1357, 21229), (1633, 17641), (4189, 6877)]