71080009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4177}}^1$

素因数の和:4225

約数の個数: 32

約数和(自身を含む): 101074176

約数和(自身を除く): 29994167

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 4177, 17017, 29239, 45947, 54301, 71009, 321629, 380107, 497063, 597311, 781099, 923117, 4181177, 5467693, 6461819, 10154287, 71080009]

約数ペア:

[(1, 71080009), (7, 10154287), (11, 6461819), (13, 5467693), (17, 4181177), (77, 923117), (91, 781099), (119, 597311), (143, 497063), (187, 380107), (221, 321629), (1001, 71009), (1309, 54301), (1547, 45947), (2431, 29239), (4177, 17017)]