68740919

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{13121}}^1$

素因数の和:13178

約数の個数: 12

約数和(自身を含む): 76842432

約数和(自身を除く): 8101513

約数列:

[1, 13, 31, 169, 403, 5239, 13121, 170573, 406751, 2217449, 5287763, 68740919]

約数ペア:

[(1, 68740919), (13, 5287763), (31, 2217449), (169, 406751), (403, 170573), (5239, 13121)]