721187667088

素因数分解:

$2^4\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{1871}}^1\times {\mathrm{2939}}^1$

素因数の和:5996

約数の個数: 80

約数和(自身を含む): 1599677614080

約数和(自身を除く): 878489946992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1171, 1871, 2342, 2939, 3742, 4684, 5878, 7484, 8197, 9368, 11756, 13097, 14968, 16394, 18736, 20573, 23512, 26194, 29936, 32788, 41146, 47024, 52388, 65576, 82292, 104776, 131152, 164584, 209552, 329168, 2190941, 3441569, 4381882, 5498869, 6883138, 8763764, 10997738, 13766276, 15336587, 17527528, 21995476, 24090983, 27532552, 30673174, 35055056, 38492083, 43990952, 48181966, 55065104, 61346348, 76984166, 87981904, 96363932, 122692696, 153968332, 192727864, 245385392, 307936664, 385455728, 615873328, 6439175599, 12878351198, 25756702396, 45074229193, 51513404792, 90148458386, 103026809584, 180296916772, 360593833544, 721187667088]

約数ペア:

[(1, 721187667088), (2, 360593833544), (4, 180296916772), (7, 103026809584), (8, 90148458386), (14, 51513404792), (16, 45074229193), (28, 25756702396), (56, 12878351198), (112, 6439175599), (1171, 615873328), (1871, 385455728), (2342, 307936664), (2939, 245385392), (3742, 192727864), (4684, 153968332), (5878, 122692696), (7484, 96363932), (8197, 87981904), (9368, 76984166), (11756, 61346348), (13097, 55065104), (14968, 48181966), (16394, 43990952), (18736, 38492083), (20573, 35055056), (23512, 30673174), (26194, 27532552), (29936, 24090983), (32788, 21995476), (41146, 17527528), (47024, 15336587), (52388, 13766276), (65576, 10997738), (82292, 8763764), (104776, 6883138), (131152, 5498869), (164584, 4381882), (209552, 3441569), (329168, 2190941)]