212389771

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{23633}}^1$

素因数の和:23706

約数の個数: 16

約数和(自身を含む): 249575040

約数和(自身を除く): 37185269

約数列:

[1, 11, 19, 43, 209, 473, 817, 8987, 23633, 259963, 449027, 1016219, 4939297, 11178409, 19308161, 212389771]

約数ペア:

[(1, 212389771), (11, 19308161), (19, 11178409), (43, 4939297), (209, 1016219), (473, 449027), (817, 259963), (8987, 23633)]