318208577168

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{126675389}}^1$

素因数の和:126675554

約数の個数: 20

約数和(自身を含む): 620456060220

約数和(自身を除く): 302247483052

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 126675389, 253350778, 506701556, 1013403112, 2026806224, 19888036073, 39776072146, 79552144292, 159104288584, 318208577168]

約数ペア:

[(1, 318208577168), (2, 159104288584), (4, 79552144292), (8, 39776072146), (16, 19888036073), (157, 2026806224), (314, 1013403112), (628, 506701556), (1256, 253350778), (2512, 126675389)]