77887792

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{113209}}^1$

素因数の和:113260

約数の個数: 20

約数和(自身を含む): 154418440

約数和(自身を除く): 76530648

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 113209, 226418, 452836, 905672, 1811344, 4867987, 9735974, 19471948, 38943896, 77887792]

約数ペア:

[(1, 77887792), (2, 38943896), (4, 19471948), (8, 9735974), (16, 4867987), (43, 1811344), (86, 905672), (172, 452836), (344, 226418), (688, 113209)]