253144619

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3571}}^1$

素因数の和:3651

約数の個数: 32

約数和(自身を含む): 336053760

約数和(自身を除く): 82909141

約数列:

[1, 7, 13, 19, 41, 91, 133, 247, 287, 533, 779, 1729, 3571, 3731, 5453, 10127, 24997, 46423, 67849, 70889, 146411, 324961, 474943, 882037, 1024877, 1903343, 2781809, 6174259, 13323401, 19472663, 36163517, 253144619]

約数ペア:

[(1, 253144619), (7, 36163517), (13, 19472663), (19, 13323401), (41, 6174259), (91, 2781809), (133, 1903343), (247, 1024877), (287, 882037), (533, 474943), (779, 324961), (1729, 146411), (3571, 70889), (3731, 67849), (5453, 46423), (10127, 24997)]