217997797

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 231524352

約数和(自身を除く): 13526555

約数列:

[1, 31, 47, 157, 953, 1457, 4867, 7379, 29543, 44791, 149621, 228749, 1388521, 4638251, 7032187, 217997797]

約数ペア:

[(1, 217997797), (31, 7032187), (47, 4638251), (157, 1388521), (953, 228749), (1457, 149621), (4867, 44791), (7379, 29543)]