81401584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4093}}^1$

素因数の和:4225

約数の個数: 40

約数和(自身を含む): 173618352

約数和(自身を除く): 92216768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1243, 1808, 2486, 4093, 4972, 8186, 9944, 16372, 19888, 32744, 45023, 65488, 90046, 180092, 360184, 462509, 720368, 925018, 1850036, 3700072, 5087599, 7400144, 10175198, 20350396, 40700792, 81401584]

約数ペア:

[(1, 81401584), (2, 40700792), (4, 20350396), (8, 10175198), (11, 7400144), (16, 5087599), (22, 3700072), (44, 1850036), (88, 925018), (113, 720368), (176, 462509), (226, 360184), (452, 180092), (904, 90046), (1243, 65488), (1808, 45023), (2486, 32744), (4093, 19888), (4972, 16372), (8186, 9944)]