281188432

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6421}}^1$

素因数の和:6476

約数の個数: 80

約数和(自身を含む): 688027392

約数和(自身を除く): 406838960

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 476, 644, 782, 952, 1288, 1564, 1904, 2576, 2737, 3128, 5474, 6256, 6421, 10948, 12842, 21896, 25684, 43792, 44947, 51368, 89894, 102736, 109157, 147683, 179788, 218314, 295366, 359576, 436628, 590732, 719152, 764099, 873256, 1033781, 1181464, 1528198, 1746512, 2067562, 2362928, 2510611, 3056396, 4135124, 5021222, 6112792, 8270248, 10042444, 12225584, 16540496, 17574277, 20084888, 35148554, 40169776, 70297108, 140594216, 281188432]

約数ペア:

[(1, 281188432), (2, 140594216), (4, 70297108), (7, 40169776), (8, 35148554), (14, 20084888), (16, 17574277), (17, 16540496), (23, 12225584), (28, 10042444), (34, 8270248), (46, 6112792), (56, 5021222), (68, 4135124), (92, 3056396), (112, 2510611), (119, 2362928), (136, 2067562), (161, 1746512), (184, 1528198), (238, 1181464), (272, 1033781), (322, 873256), (368, 764099), (391, 719152), (476, 590732), (644, 436628), (782, 359576), (952, 295366), (1288, 218314), (1564, 179788), (1904, 147683), (2576, 109157), (2737, 102736), (3128, 89894), (5474, 51368), (6256, 44947), (6421, 43792), (10948, 25684), (12842, 21896)]