81589616

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{45127}}^1$

素因数の和:45248

約数の個数: 20

約数和(自身を含む): 159482352

約数和(自身を除く): 77892736

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 45127, 90254, 180508, 361016, 722032, 5099351, 10198702, 20397404, 40794808, 81589616]

約数ペア:

[(1, 81589616), (2, 40794808), (4, 20397404), (8, 10198702), (16, 5099351), (113, 722032), (226, 361016), (452, 180508), (904, 90254), (1808, 45127)]