149962672

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{217969}}^1$

素因数の和:218020

約数の個数: 20

約数和(自身を含む): 297311080

約数和(自身を除く): 147348408

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 217969, 435938, 871876, 1743752, 3487504, 9372667, 18745334, 37490668, 74981336, 149962672]

約数ペア:

[(1, 149962672), (2, 74981336), (4, 37490668), (8, 18745334), (16, 9372667), (43, 3487504), (86, 1743752), (172, 871876), (344, 435938), (688, 217969)]