217352212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{705689}}^1$

素因数の和:705711

約数の個数: 24

約数和(自身を含む): 474223680

約数和(自身を除く): 256871468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 705689, 1411378, 2822756, 4939823, 7762579, 9879646, 15525158, 19759292, 31050316, 54338053, 108676106, 217352212]

約数ペア:

[(1, 217352212), (2, 108676106), (4, 54338053), (7, 31050316), (11, 19759292), (14, 15525158), (22, 9879646), (28, 7762579), (44, 4939823), (77, 2822756), (154, 1411378), (308, 705689)]