380031407

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{408197}}^1$

素因数の和:408230

約数の個数: 12

約数和(自身を含む): 465345720

約数和(自身を除く): 85314313

約数列:

[1, 7, 19, 49, 133, 931, 408197, 2857379, 7755743, 20001653, 54290201, 380031407]

約数ペア:

[(1, 380031407), (7, 54290201), (19, 20001653), (49, 7755743), (133, 2857379), (931, 408197)]