2009798917

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{16111}}^1$

素因数の和:16440

約数の個数: 16

約数和(自身を含む): 2338689024

約数和(自身を除く): 328890107

約数列:

[1, 7, 71, 251, 497, 1757, 16111, 17821, 112777, 124747, 1143881, 4043861, 8007167, 28307027, 287114131, 2009798917]

約数ペア:

[(1, 2009798917), (7, 287114131), (71, 28307027), (251, 8007167), (497, 4043861), (1757, 1143881), (16111, 124747), (17821, 112777)]