28180628

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 60568704

約数和(自身を除く): 32388076

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 73, 119, 146, 238, 292, 476, 511, 811, 1022, 1241, 1622, 2044, 2482, 3244, 4964, 5677, 8687, 11354, 13787, 17374, 22708, 27574, 34748, 55148, 59203, 96509, 118406, 193018, 236812, 386036, 414421, 828842, 1006451, 1657684, 2012902, 4025804, 7045157, 14090314, 28180628]

約数ペア:

[(1, 28180628), (2, 14090314), (4, 7045157), (7, 4025804), (14, 2012902), (17, 1657684), (28, 1006451), (34, 828842), (68, 414421), (73, 386036), (119, 236812), (146, 193018), (238, 118406), (292, 96509), (476, 59203), (511, 55148), (811, 34748), (1022, 27574), (1241, 22708), (1622, 17374), (2044, 13787), (2482, 11354), (3244, 8687), (4964, 5677)]