553182721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1\times {\mathrm{3119}}^1$

素因数の和:5088

約数の個数: 16

約数和(自身を含む): 681408000

約数和(自身を除く): 128225279

約数列:

[1, 7, 13, 91, 1949, 3119, 13643, 21833, 25337, 40547, 177359, 283829, 6078931, 42552517, 79026103, 553182721]

約数ペア:

[(1, 553182721), (7, 79026103), (13, 42552517), (91, 6078931), (1949, 283829), (3119, 177359), (13643, 40547), (21833, 25337)]