287079221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 359251200

約数和(自身を除く): 72171979

約数列:

[1, 11, 13, 17, 143, 187, 221, 269, 439, 2431, 2959, 3497, 4573, 4829, 5707, 7463, 38467, 50303, 59449, 62777, 82093, 97019, 118091, 653939, 1067209, 1299001, 1535183, 2007547, 16887013, 22083017, 26098111, 287079221]

約数ペア:

[(1, 287079221), (11, 26098111), (13, 22083017), (17, 16887013), (143, 2007547), (187, 1535183), (221, 1299001), (269, 1067209), (439, 653939), (2431, 118091), (2959, 97019), (3497, 82093), (4573, 62777), (4829, 59449), (5707, 50303), (7463, 38467)]