78771184

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{114493}}^1$

素因数の和:114544

約数の個数: 20

約数和(自身を含む): 156169816

約数和(自身を除く): 77398632

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 114493, 228986, 457972, 915944, 1831888, 4923199, 9846398, 19692796, 39385592, 78771184]

約数ペア:

[(1, 78771184), (2, 39385592), (4, 19692796), (8, 9846398), (16, 4923199), (43, 1831888), (86, 915944), (172, 457972), (344, 228986), (688, 114493)]