28262916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 78624000

約数和(自身を除く): 50361084

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 149, 198, 298, 396, 447, 479, 596, 894, 958, 1341, 1437, 1639, 1788, 1916, 2682, 2874, 3278, 4311, 4917, 5269, 5364, 5748, 6556, 8622, 9834, 10538, 14751, 15807, 17244, 19668, 21076, 29502, 31614, 47421, 59004, 63228, 71371, 94842, 142742, 189684, 214113, 285484, 428226, 642339, 785081, 856452, 1284678, 1570162, 2355243, 2569356, 3140324, 4710486, 7065729, 9420972, 14131458, 28262916]

約数ペア:

[(1, 28262916), (2, 14131458), (3, 9420972), (4, 7065729), (6, 4710486), (9, 3140324), (11, 2569356), (12, 2355243), (18, 1570162), (22, 1284678), (33, 856452), (36, 785081), (44, 642339), (66, 428226), (99, 285484), (132, 214113), (149, 189684), (198, 142742), (298, 94842), (396, 71371), (447, 63228), (479, 59004), (596, 47421), (894, 31614), (958, 29502), (1341, 21076), (1437, 19668), (1639, 17244), (1788, 15807), (1916, 14751), (2682, 10538), (2874, 9834), (3278, 8622), (4311, 6556), (4917, 5748), (5269, 5364)]