267996976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3989}}^1$

素因数の和:4046

約数の個数: 80

約数和(自身を含む): 623397600

約数和(自身を除く): 355400624

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 304, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 2584, 3536, 3952, 3989, 4199, 5168, 7978, 8398, 15956, 16796, 31912, 33592, 51857, 63824, 67184, 67813, 75791, 103714, 135626, 151582, 207428, 271252, 303164, 414856, 542504, 606328, 829712, 881569, 985283, 1085008, 1212656, 1288447, 1763138, 1970566, 2576894, 3526276, 3941132, 5153788, 7052552, 7882264, 10307576, 14105104, 15764528, 16749811, 20615152, 33499622, 66999244, 133998488, 267996976]

約数ペア:

[(1, 267996976), (2, 133998488), (4, 66999244), (8, 33499622), (13, 20615152), (16, 16749811), (17, 15764528), (19, 14105104), (26, 10307576), (34, 7882264), (38, 7052552), (52, 5153788), (68, 3941132), (76, 3526276), (104, 2576894), (136, 1970566), (152, 1763138), (208, 1288447), (221, 1212656), (247, 1085008), (272, 985283), (304, 881569), (323, 829712), (442, 606328), (494, 542504), (646, 414856), (884, 303164), (988, 271252), (1292, 207428), (1768, 151582), (1976, 135626), (2584, 103714), (3536, 75791), (3952, 67813), (3989, 67184), (4199, 63824), (5168, 51857), (7978, 33592), (8398, 31912), (15956, 16796)]