2109131143

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{67421}}^1$

素因数の和:67578

約数の個数: 16

約数和(自身を含む): 2491917120

約数和(自身を除く): 382785977

約数列:

[1, 7, 41, 109, 287, 763, 4469, 31283, 67421, 471947, 2764261, 7348889, 19349827, 51442223, 301304449, 2109131143]

約数ペア:

[(1, 2109131143), (7, 301304449), (41, 51442223), (109, 19349827), (287, 7348889), (763, 2764261), (4469, 471947), (31283, 67421)]