1278979198

素因数分解:

$2^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{398933}}^1$

素因数の和:399171

約数の個数: 16

約数和(自身を含む): 2202115680

約数和(自身を除く): 923136482

約数列:

[1, 2, 7, 14, 229, 458, 1603, 3206, 398933, 797866, 2792531, 5585062, 91355657, 182711314, 639489599, 1278979198]

約数ペア:

[(1, 1278979198), (2, 639489599), (7, 182711314), (14, 91355657), (229, 5585062), (458, 2792531), (1603, 797866), (3206, 398933)]