81754568

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76837}}^1$

素因数の和:76869

約数の個数: 32

約数和(自身を含む): 184411200

約数和(自身を除く): 102656632

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 76837, 153674, 307348, 537859, 614696, 1075718, 1459903, 2151436, 2919806, 4302872, 5839612, 10219321, 11679224, 20438642, 40877284, 81754568]

約数ペア:

[(1, 81754568), (2, 40877284), (4, 20438642), (7, 11679224), (8, 10219321), (14, 5839612), (19, 4302872), (28, 2919806), (38, 2151436), (56, 1459903), (76, 1075718), (133, 614696), (152, 537859), (266, 307348), (532, 153674), (1064, 76837)]