215689826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{56671}}^1$

素因数の和:56857

約数の個数: 16

約数和(自身を含む): 354993408

約数和(自身を除く): 139303582

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 56671, 113342, 623381, 1246762, 9804083, 19608166, 107844913, 215689826]

約数ペア:

[(1, 215689826), (2, 107844913), (11, 19608166), (22, 9804083), (173, 1246762), (346, 623381), (1903, 113342), (3806, 56671)]