209636816

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{37117}}^1$

素因数の和:37478

約数の個数: 20

約数和(自身を含む): 407332932

約数和(自身を除く): 197696116

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 5648, 37117, 74234, 148468, 296936, 593872, 13102301, 26204602, 52409204, 104818408, 209636816]

約数ペア:

[(1, 209636816), (2, 104818408), (4, 52409204), (8, 26204602), (16, 13102301), (353, 593872), (706, 296936), (1412, 148468), (2824, 74234), (5648, 37117)]