1999636345

素因数分解:

$5^1\times 7^2\times {\mathrm{2749}}^1\times {\mathrm{2969}}^1$

素因数の和:5737

約数の個数: 24

約数和(自身を含む): 2793285000

約数和(自身を除く): 793648655

約数列:

[1, 5, 7, 35, 49, 245, 2749, 2969, 13745, 14845, 19243, 20783, 96215, 103915, 134701, 145481, 673505, 727405, 8161781, 40808905, 57132467, 285662335, 399927269, 1999636345]

約数ペア:

[(1, 1999636345), (5, 399927269), (7, 285662335), (35, 57132467), (49, 40808905), (245, 8161781), (2749, 727405), (2969, 673505), (13745, 145481), (14845, 134701), (19243, 103915), (20783, 96215)]