520080449

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2\times {\mathrm{487}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 620290944

約数和(自身を除く): 100210495

約数列:

[1, 7, 41, 61, 287, 427, 487, 2501, 3409, 3721, 17507, 19967, 26047, 29707, 139769, 152561, 207949, 1067927, 1217987, 1812127, 8525909, 12684889, 74297207, 520080449]

約数ペア:

[(1, 520080449), (7, 74297207), (41, 12684889), (61, 8525909), (287, 1812127), (427, 1217987), (487, 1067927), (2501, 207949), (3409, 152561), (3721, 139769), (17507, 29707), (19967, 26047)]