397903246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2087}}^1\times {\mathrm{7333}}^1$

素因数の和:9435

約数の個数: 16

約数和(自身を含む): 643162464

約数和(自身を除く): 245259218

約数列:

[1, 2, 13, 26, 2087, 4174, 7333, 14666, 27131, 54262, 95329, 190658, 15303971, 30607942, 198951623, 397903246]

約数ペア:

[(1, 397903246), (2, 198951623), (13, 30607942), (26, 15303971), (2087, 190658), (4174, 95329), (7333, 54262), (14666, 27131)]