16778864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61687}}^1$

素因数の和:61712

約数の個数: 20

約数和(自身を含む): 34421904

約数和(自身を除く): 17643040

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 61687, 123374, 246748, 493496, 986992, 1048679, 2097358, 4194716, 8389432, 16778864]

約数ペア:

[(1, 16778864), (2, 8389432), (4, 4194716), (8, 2097358), (16, 1048679), (17, 986992), (34, 493496), (68, 246748), (136, 123374), (272, 61687)]