78910864

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{18199}}^1$

素因数の和:18478

約数の個数: 20

約数和(自身を含む): 153462400

約数和(自身を除く): 74551536

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 18199, 36398, 72796, 145592, 291184, 4931929, 9863858, 19727716, 39455432, 78910864]

約数ペア:

[(1, 78910864), (2, 39455432), (4, 19727716), (8, 9863858), (16, 4931929), (271, 291184), (542, 145592), (1084, 72796), (2168, 36398), (4336, 18199)]