28720548

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{15643}}^1$

素因数の和:15673

約数の個数: 48

約数和(自身を含む): 78845760

約数和(自身を除く): 50125212

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 15643, 31286, 46929, 62572, 93858, 140787, 187716, 265931, 281574, 422361, 531862, 563148, 797793, 844722, 1063724, 1595586, 1689444, 2393379, 3191172, 4786758, 7180137, 9573516, 14360274, 28720548]

約数ペア:

[(1, 28720548), (2, 14360274), (3, 9573516), (4, 7180137), (6, 4786758), (9, 3191172), (12, 2393379), (17, 1689444), (18, 1595586), (27, 1063724), (34, 844722), (36, 797793), (51, 563148), (54, 531862), (68, 422361), (102, 281574), (108, 265931), (153, 187716), (204, 140787), (306, 93858), (459, 62572), (612, 46929), (918, 31286), (1836, 15643)]