289131362

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{5563}}^1$

素因数の和:7577

約数の個数: 16

約数和(自身を含む): 467376000

約数和(自身を除く): 178244638

約数列:

[1, 2, 13, 26, 1999, 3998, 5563, 11126, 25987, 51974, 72319, 144638, 11120437, 22240874, 144565681, 289131362]

約数ペア:

[(1, 289131362), (2, 144565681), (13, 22240874), (26, 11120437), (1999, 144638), (3998, 72319), (5563, 51974), (11126, 25987)]