28720692

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:838

約数の個数: 144

約数和(自身を含む): 97598592

約数和(自身を除く): 68877900

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 572, 693, 797, 819, 858, 924, 1001, 1092, 1287, 1386, 1594, 1638, 1716, 2002, 2391, 2574, 2772, 3003, 3188, 3276, 4004, 4782, 5148, 5579, 6006, 7173, 8767, 9009, 9564, 10361, 11158, 12012, 14346, 16737, 17534, 18018, 20722, 22316, 26301, 28692, 31083, 33474, 35068, 36036, 41444, 50211, 52602, 61369, 62166, 66948, 72527, 78903, 93249, 100422, 105204, 113971, 122738, 124332, 145054, 157806, 184107, 186498, 200844, 217581, 227942, 245476, 290108, 315612, 341913, 368214, 372996, 435162, 455884, 552321, 652743, 683826, 736428, 797797, 870324, 1025739, 1104642, 1305486, 1367652, 1595594, 2051478, 2209284, 2393391, 2610972, 3191188, 4102956, 4786782, 7180173, 9573564, 14360346, 28720692]

約数ペア:

[(1, 28720692), (2, 14360346), (3, 9573564), (4, 7180173), (6, 4786782), (7, 4102956), (9, 3191188), (11, 2610972), (12, 2393391), (13, 2209284), (14, 2051478), (18, 1595594), (21, 1367652), (22, 1305486), (26, 1104642), (28, 1025739), (33, 870324), (36, 797797), (39, 736428), (42, 683826), (44, 652743), (52, 552321), (63, 455884), (66, 435162), (77, 372996), (78, 368214), (84, 341913), (91, 315612), (99, 290108), (117, 245476), (126, 227942), (132, 217581), (143, 200844), (154, 186498), (156, 184107), (182, 157806), (198, 145054), (231, 124332), (234, 122738), (252, 113971), (273, 105204), (286, 100422), (308, 93249), (364, 78903), (396, 72527), (429, 66948), (462, 62166), (468, 61369), (546, 52602), (572, 50211), (693, 41444), (797, 36036), (819, 35068), (858, 33474), (924, 31083), (1001, 28692), (1092, 26301), (1287, 22316), (1386, 20722), (1594, 18018), (1638, 17534), (1716, 16737), (2002, 14346), (2391, 12012), (2574, 11158), (2772, 10361), (3003, 9564), (3188, 9009), (3276, 8767), (4004, 7173), (4782, 6006), (5148, 5579)]