394059905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{4111}}^1$

素因数の和:5144

約数の個数: 16

約数和(自身を含む): 498374400

約数和(自身を除く): 104314495

約数列:

[1, 5, 19, 95, 1009, 4111, 5045, 19171, 20555, 78109, 95855, 390545, 4147999, 20739995, 78811981, 394059905]

約数ペア:

[(1, 394059905), (5, 78811981), (19, 20739995), (95, 4147999), (1009, 390545), (4111, 95855), (5045, 78109), (19171, 20555)]