28305806396

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{33739}}^1$

素因数の和:33871

約数の個数: 72

約数和(自身を含む): 60469637760

約数和(自身を除く): 32163831364

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 361, 532, 581, 722, 1162, 1444, 1577, 2324, 2527, 3154, 5054, 6308, 10108, 11039, 22078, 29963, 33739, 44156, 59926, 67478, 119852, 134956, 209741, 236173, 419482, 472346, 641041, 838964, 944692, 1282082, 2564164, 2800337, 4487287, 5600674, 8974574, 11201348, 12179779, 17949148, 19602359, 24359558, 39204718, 48719116, 53206403, 78409436, 85258453, 106412806, 170516906, 212825612, 341033812, 372444821, 744889642, 1010921657, 1489779284, 2021843314, 4043686628, 7076451599, 14152903198, 28305806396]

約数ペア:

[(1, 28305806396), (2, 14152903198), (4, 7076451599), (7, 4043686628), (14, 2021843314), (19, 1489779284), (28, 1010921657), (38, 744889642), (76, 372444821), (83, 341033812), (133, 212825612), (166, 170516906), (266, 106412806), (332, 85258453), (361, 78409436), (532, 53206403), (581, 48719116), (722, 39204718), (1162, 24359558), (1444, 19602359), (1577, 17949148), (2324, 12179779), (2527, 11201348), (3154, 8974574), (5054, 5600674), (6308, 4487287), (10108, 2800337), (11039, 2564164), (22078, 1282082), (29963, 944692), (33739, 838964), (44156, 641041), (59926, 472346), (67478, 419482), (119852, 236173), (134956, 209741)]