11881289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 14409600

約数和(自身を除く): 2528311

約数列:

[1, 7, 19, 133, 157, 569, 1099, 2983, 3983, 10811, 20881, 75677, 89333, 625331, 1697327, 11881289]

約数ペア:

[(1, 11881289), (7, 1697327), (19, 625331), (133, 89333), (157, 75677), (569, 20881), (1099, 10811), (2983, 3983)]