28205892

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5479}}^1$

素因数の和:5513

約数の個数: 72

約数和(自身を含む): 83778240

約数和(自身を除く): 55572348

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 5479, 10958, 16437, 21916, 32874, 49311, 60269, 65748, 71227, 98622, 120538, 142454, 180807, 197244, 213681, 241076, 284908, 361614, 427362, 542421, 641043, 723228, 783497, 854724, 1084842, 1282086, 1566994, 2169684, 2350491, 2564172, 3133988, 4700982, 7051473, 9401964, 14102946, 28205892]

約数ペア:

[(1, 28205892), (2, 14102946), (3, 9401964), (4, 7051473), (6, 4700982), (9, 3133988), (11, 2564172), (12, 2350491), (13, 2169684), (18, 1566994), (22, 1282086), (26, 1084842), (33, 854724), (36, 783497), (39, 723228), (44, 641043), (52, 542421), (66, 427362), (78, 361614), (99, 284908), (117, 241076), (132, 213681), (143, 197244), (156, 180807), (198, 142454), (234, 120538), (286, 98622), (396, 71227), (429, 65748), (468, 60269), (572, 49311), (858, 32874), (1287, 21916), (1716, 16437), (2574, 10958), (5148, 5479)]