1990289.00000000

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2521}}^1$

素因数の和:2738

約数の個数: 16

約数和(自身を含む): 42369600

約数和(自身を除く): 9760465

約数列:

[1, 5, 13, 65, 199, 995, 2521, 2587, 12605, 12935, 32773, 163865, 501679, 2508395, 6521827, 32609135]

約数ペア:

[(1, 32609135), (5, 6521827), (13, 2508395), (65, 501679), (199, 163865), (995, 32773), (2521, 12935), (2587, 12605)]