28720314

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2213}}^1$

素因数の和:2331

約数の個数: 48

約数和(自身を含む): 71839872

約数和(自身を除く): 43119558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 103, 126, 206, 309, 618, 721, 927, 1442, 1854, 2163, 2213, 4326, 4426, 6489, 6639, 12978, 13278, 15491, 19917, 30982, 39834, 46473, 92946, 139419, 227939, 278838, 455878, 683817, 1367634, 1595573, 2051451, 3191146, 4102902, 4786719, 9573438, 14360157, 28720314]

約数ペア:

[(1, 28720314), (2, 14360157), (3, 9573438), (6, 4786719), (7, 4102902), (9, 3191146), (14, 2051451), (18, 1595573), (21, 1367634), (42, 683817), (63, 455878), (103, 278838), (126, 227939), (206, 139419), (309, 92946), (618, 46473), (721, 39834), (927, 30982), (1442, 19917), (1854, 15491), (2163, 13278), (2213, 12978), (4326, 6639), (4426, 6489)]