28785456

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:213

約数の個数: 200

約数和(自身を含む): 100826880

約数和(自身を除く): 72041424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 81, 84, 108, 112, 114, 126, 133, 144, 152, 162, 167, 168, 171, 189, 216, 228, 252, 266, 304, 324, 334, 336, 342, 378, 399, 432, 456, 501, 504, 513, 532, 567, 648, 668, 684, 756, 798, 912, 1002, 1008, 1026, 1064, 1134, 1169, 1197, 1296, 1336, 1368, 1503, 1512, 1539, 1596, 2004, 2052, 2128, 2268, 2338, 2394, 2672, 2736, 3006, 3024, 3078, 3173, 3192, 3507, 3591, 4008, 4104, 4509, 4536, 4676, 4788, 6012, 6156, 6346, 6384, 7014, 7182, 8016, 8208, 9018, 9072, 9352, 9519, 9576, 10521, 10773, 12024, 12312, 12692, 13527, 14028, 14364, 18036, 18704, 19038, 19152, 21042, 21546, 22211, 24048, 24624, 25384, 27054, 28056, 28557, 28728, 31563, 36072, 38076, 42084, 43092, 44422, 50768, 54108, 56112, 57114, 57456, 63126, 66633, 72144, 76152, 84168, 85671, 86184, 88844, 94689, 108216, 114228, 126252, 133266, 152304, 168336, 171342, 172368, 177688, 189378, 199899, 216432, 228456, 252504, 257013, 266532, 342684, 355376, 378756, 399798, 456912, 505008, 514026, 533064, 599697, 685368, 757512, 799596, 1028052, 1066128, 1199394, 1370736, 1515024, 1599192, 1799091, 2056104, 2398788, 3198384, 3598182, 4112208, 4797576, 7196364, 9595152, 14392728, 28785456]

約数ペア:

[(1, 28785456), (2, 14392728), (3, 9595152), (4, 7196364), (6, 4797576), (7, 4112208), (8, 3598182), (9, 3198384), (12, 2398788), (14, 2056104), (16, 1799091), (18, 1599192), (19, 1515024), (21, 1370736), (24, 1199394), (27, 1066128), (28, 1028052), (36, 799596), (38, 757512), (42, 685368), (48, 599697), (54, 533064), (56, 514026), (57, 505008), (63, 456912), (72, 399798), (76, 378756), (81, 355376), (84, 342684), (108, 266532), (112, 257013), (114, 252504), (126, 228456), (133, 216432), (144, 199899), (152, 189378), (162, 177688), (167, 172368), (168, 171342), (171, 168336), (189, 152304), (216, 133266), (228, 126252), (252, 114228), (266, 108216), (304, 94689), (324, 88844), (334, 86184), (336, 85671), (342, 84168), (378, 76152), (399, 72144), (432, 66633), (456, 63126), (501, 57456), (504, 57114), (513, 56112), (532, 54108), (567, 50768), (648, 44422), (668, 43092), (684, 42084), (756, 38076), (798, 36072), (912, 31563), (1002, 28728), (1008, 28557), (1026, 28056), (1064, 27054), (1134, 25384), (1169, 24624), (1197, 24048), (1296, 22211), (1336, 21546), (1368, 21042), (1503, 19152), (1512, 19038), (1539, 18704), (1596, 18036), (2004, 14364), (2052, 14028), (2128, 13527), (2268, 12692), (2338, 12312), (2394, 12024), (2672, 10773), (2736, 10521), (3006, 9576), (3024, 9519), (3078, 9352), (3173, 9072), (3192, 9018), (3507, 8208), (3591, 8016), (4008, 7182), (4104, 7014), (4509, 6384), (4536, 6346), (4676, 6156), (4788, 6012)]