218490998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3253}}^1$

素因数の和:3380

約数の個数: 32

約数和(自身を含む): 371112192

約数和(自身を除く): 152621194

約数列:

[1, 2, 11, 22, 43, 71, 86, 142, 473, 781, 946, 1562, 3053, 3253, 6106, 6506, 33583, 35783, 67166, 71566, 139879, 230963, 279758, 461926, 1538669, 2540593, 3077338, 5081186, 9931409, 19862818, 109245499, 218490998]

約数ペア:

[(1, 218490998), (2, 109245499), (11, 19862818), (22, 9931409), (43, 5081186), (71, 3077338), (86, 2540593), (142, 1538669), (473, 461926), (781, 279758), (946, 230963), (1562, 139879), (3053, 71566), (3253, 67166), (6106, 35783), (6506, 33583)]