28547316

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 120

約数和(自身を含む): 87654336

約数和(自身を除く): 59107020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 81, 82, 84, 108, 123, 126, 162, 164, 189, 246, 252, 287, 307, 324, 369, 378, 492, 567, 574, 614, 738, 756, 861, 921, 1107, 1134, 1148, 1228, 1476, 1722, 1842, 2149, 2214, 2268, 2583, 2763, 3321, 3444, 3684, 4298, 4428, 5166, 5526, 6447, 6642, 7749, 8289, 8596, 10332, 11052, 12587, 12894, 13284, 15498, 16578, 19341, 23247, 24867, 25174, 25788, 30996, 33156, 37761, 38682, 46494, 49734, 50348, 58023, 75522, 77364, 88109, 92988, 99468, 113283, 116046, 151044, 174069, 176218, 226566, 232092, 264327, 339849, 348138, 352436, 453132, 528654, 679698, 696276, 792981, 1019547, 1057308, 1359396, 1585962, 2039094, 2378943, 3171924, 4078188, 4757886, 7136829, 9515772, 14273658, 28547316]

約数ペア:

[(1, 28547316), (2, 14273658), (3, 9515772), (4, 7136829), (6, 4757886), (7, 4078188), (9, 3171924), (12, 2378943), (14, 2039094), (18, 1585962), (21, 1359396), (27, 1057308), (28, 1019547), (36, 792981), (41, 696276), (42, 679698), (54, 528654), (63, 453132), (81, 352436), (82, 348138), (84, 339849), (108, 264327), (123, 232092), (126, 226566), (162, 176218), (164, 174069), (189, 151044), (246, 116046), (252, 113283), (287, 99468), (307, 92988), (324, 88109), (369, 77364), (378, 75522), (492, 58023), (567, 50348), (574, 49734), (614, 46494), (738, 38682), (756, 37761), (861, 33156), (921, 30996), (1107, 25788), (1134, 25174), (1148, 24867), (1228, 23247), (1476, 19341), (1722, 16578), (1842, 15498), (2149, 13284), (2214, 12894), (2268, 12587), (2583, 11052), (2763, 10332), (3321, 8596), (3444, 8289), (3684, 7749), (4298, 6642), (4428, 6447), (5166, 5526)]