51263478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2927}}^1$

素因数の和:3081

約数の個数: 48

約数和(自身を含む): 127895040

約数和(自身を除く): 76631562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1251, 1946, 2502, 2919, 2927, 5838, 5854, 8757, 8781, 17514, 17562, 20489, 26343, 40978, 52686, 61467, 122934, 184401, 368802, 406853, 813706, 1220559, 2441118, 2847971, 3661677, 5695942, 7323354, 8543913, 17087826, 25631739, 51263478]

約数ペア:

[(1, 51263478), (2, 25631739), (3, 17087826), (6, 8543913), (7, 7323354), (9, 5695942), (14, 3661677), (18, 2847971), (21, 2441118), (42, 1220559), (63, 813706), (126, 406853), (139, 368802), (278, 184401), (417, 122934), (834, 61467), (973, 52686), (1251, 40978), (1946, 26343), (2502, 20489), (2919, 17562), (2927, 17514), (5838, 8781), (5854, 8757)]