26181639

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 44928000

約数和(自身を除く): 18746361

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 171, 209, 279, 341, 449, 589, 627, 1023, 1347, 1767, 1881, 3069, 4041, 4939, 5301, 6479, 8531, 13919, 14817, 19437, 25593, 41757, 44451, 58311, 76779, 93841, 125271, 153109, 264461, 281523, 459327, 793383, 844569, 1377981, 2380149, 2909071, 8727213, 26181639]

約数ペア:

[(1, 26181639), (3, 8727213), (9, 2909071), (11, 2380149), (19, 1377981), (31, 844569), (33, 793383), (57, 459327), (93, 281523), (99, 264461), (171, 153109), (209, 125271), (279, 93841), (341, 76779), (449, 58311), (589, 44451), (627, 41757), (1023, 25593), (1347, 19437), (1767, 14817), (1881, 13919), (3069, 8531), (4041, 6479), (4939, 5301)]