51090910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{393007}}^1$

素因数の和:393027

約数の個数: 16

約数和(自身を含む): 99038016

約数和(自身を除く): 47947106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 393007, 786014, 1965035, 3930070, 5109091, 10218182, 25545455, 51090910]

約数ペア:

[(1, 51090910), (2, 25545455), (5, 10218182), (10, 5109091), (13, 3930070), (26, 1965035), (65, 786014), (130, 393007)]