218128834

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{45691}}^1$

素因数の和:45742

約数の個数: 32

約数和(自身を含む): 421097472

約数和(自身を除く): 202968638

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 45691, 91382, 319837, 502601, 639674, 1005202, 1416421, 2832842, 3518207, 7036414, 9914947, 15580631, 19829894, 31161262, 109064417, 218128834]

約数ペア:

[(1, 218128834), (2, 109064417), (7, 31161262), (11, 19829894), (14, 15580631), (22, 9914947), (31, 7036414), (62, 3518207), (77, 2832842), (154, 1416421), (217, 1005202), (341, 639674), (434, 502601), (682, 319837), (2387, 91382), (4774, 45691)]