81226558

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{305363}}^1$

素因数の和:305391

約数の個数: 16

約数和(自身を含む): 146574720

約数和(自身を除く): 65348162

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 305363, 610726, 2137541, 4275082, 5801897, 11603794, 40613279, 81226558]

約数ペア:

[(1, 81226558), (2, 40613279), (7, 11603794), (14, 5801897), (19, 4275082), (38, 2137541), (133, 610726), (266, 305363)]