131489449

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 166924800

約数和(自身を除く): 35435351

約数列:

[1, 7, 13, 53, 91, 137, 199, 371, 689, 959, 1393, 1781, 2587, 4823, 7261, 10547, 12467, 18109, 27263, 50827, 73829, 94393, 137111, 190841, 354419, 660751, 959777, 1444939, 2480933, 10114573, 18784207, 131489449]

約数ペア:

[(1, 131489449), (7, 18784207), (13, 10114573), (53, 2480933), (91, 1444939), (137, 959777), (199, 660751), (371, 354419), (689, 190841), (959, 137111), (1393, 94393), (1781, 73829), (2587, 50827), (4823, 27263), (7261, 18109), (10547, 12467)]