681167326

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 1213470720

約数和(自身を除く): 532303394

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 223, 439, 446, 497, 878, 994, 1561, 3073, 3122, 3479, 6146, 6958, 10927, 15833, 21511, 21854, 31169, 31666, 43022, 62338, 97897, 110831, 195794, 218183, 221662, 436366, 685279, 775817, 1370558, 1527281, 1551634, 3054562, 4796953, 6950687, 9593906, 13901374, 48654809, 97309618, 340583663, 681167326]

約数ペア:

[(1, 681167326), (2, 340583663), (7, 97309618), (14, 48654809), (49, 13901374), (71, 9593906), (98, 6950687), (142, 4796953), (223, 3054562), (439, 1551634), (446, 1527281), (497, 1370558), (878, 775817), (994, 685279), (1561, 436366), (3073, 221662), (3122, 218183), (3479, 195794), (6146, 110831), (6958, 97897), (10927, 62338), (15833, 43022), (21511, 31666), (21854, 31169)]