28720728

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{6761}}^1$

素因数の和:6832

約数の個数: 48

約数和(自身を含む): 79115400

約数和(自身を除く): 50394672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 6761, 13522, 20283, 27044, 40566, 54088, 60849, 81132, 121698, 162264, 243396, 398899, 486792, 797798, 1196697, 1595596, 2393394, 3191192, 3590091, 4786788, 7180182, 9573576, 14360364, 28720728]

約数ペア:

[(1, 28720728), (2, 14360364), (3, 9573576), (4, 7180182), (6, 4786788), (8, 3590091), (9, 3191192), (12, 2393394), (18, 1595596), (24, 1196697), (36, 797798), (59, 486792), (72, 398899), (118, 243396), (177, 162264), (236, 121698), (354, 81132), (472, 60849), (531, 54088), (708, 40566), (1062, 27044), (1416, 20283), (2124, 13522), (4248, 6761)]