81721248

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{121609}}^1$

素因数の和:121629

約数の個数: 48

約数和(自身を含む): 245165760

約数和(自身を除く): 163444512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 121609, 243218, 364827, 486436, 729654, 851263, 972872, 1459308, 1702526, 1945744, 2553789, 2918616, 3405052, 3891488, 5107578, 5837232, 6810104, 10215156, 11674464, 13620208, 20430312, 27240416, 40860624, 81721248]

約数ペア:

[(1, 81721248), (2, 40860624), (3, 27240416), (4, 20430312), (6, 13620208), (7, 11674464), (8, 10215156), (12, 6810104), (14, 5837232), (16, 5107578), (21, 3891488), (24, 3405052), (28, 2918616), (32, 2553789), (42, 1945744), (48, 1702526), (56, 1459308), (84, 972872), (96, 851263), (112, 729654), (168, 486436), (224, 364827), (336, 243218), (672, 121609)]