520161257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397373}}^1$

素因数の和:397408

約数の個数: 16

約数和(自身を含む): 686662272

約数和(自身を除く): 166501015

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 397373, 2781611, 4371103, 6755341, 30597721, 47287387, 74308751, 520161257]

約数ペア:

[(1, 520161257), (7, 74308751), (11, 47287387), (17, 30597721), (77, 6755341), (119, 4371103), (187, 2781611), (1309, 397373)]