78812464

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{114553}}^1$

素因数の和:114604

約数の個数: 20

約数和(自身を含む): 156251656

約数和(自身を除く): 77439192

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 114553, 229106, 458212, 916424, 1832848, 4925779, 9851558, 19703116, 39406232, 78812464]

約数ペア:

[(1, 78812464), (2, 39406232), (4, 19703116), (8, 9851558), (16, 4925779), (43, 1832848), (86, 916424), (172, 458212), (344, 229106), (688, 114553)]