990289105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{59281}}^1$

素因数の和:59556

約数の個数: 16

約数和(自身を含む): 1284759504

約数和(自身を除く): 294470399

約数列:

[1, 5, 13, 65, 257, 1285, 3341, 16705, 59281, 296405, 770653, 3853265, 15235217, 76176085, 198057821, 990289105]

約数ペア:

[(1, 990289105), (5, 198057821), (13, 76176085), (65, 15235217), (257, 3853265), (1285, 770653), (3341, 296405), (16705, 59281)]