28790514

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 64733760

約数和(自身を除く): 35943246

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 139, 222, 278, 311, 333, 417, 622, 666, 834, 933, 1251, 1866, 2502, 2799, 5143, 5598, 10286, 11507, 15429, 23014, 30858, 34521, 43229, 46287, 69042, 86458, 92574, 103563, 129687, 207126, 259374, 389061, 778122, 1599473, 3198946, 4798419, 9596838, 14395257, 28790514]

約数ペア:

[(1, 28790514), (2, 14395257), (3, 9596838), (6, 4798419), (9, 3198946), (18, 1599473), (37, 778122), (74, 389061), (111, 259374), (139, 207126), (222, 129687), (278, 103563), (311, 92574), (333, 86458), (417, 69042), (622, 46287), (666, 43229), (834, 34521), (933, 30858), (1251, 23014), (1866, 15429), (2502, 11507), (2799, 10286), (5143, 5598)]