220172561

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{2251}}^1$

素因数の和:2504

約数の個数: 16

約数和(自身を含む): 256187520

約数和(自身を除く): 36014959

約数列:

[1, 7, 89, 157, 623, 1099, 2251, 13973, 15757, 97811, 200339, 353407, 1402373, 2473849, 31453223, 220172561]

約数ペア:

[(1, 220172561), (7, 31453223), (89, 2473849), (157, 1402373), (623, 353407), (1099, 200339), (2251, 97811), (13973, 15757)]