2100089485

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{52879}}^1$

素因数の和:52957

約数の個数: 24

約数和(自身を含む): 2786987520

約数和(自身を除く): 686898035

約数列:

[1, 5, 13, 47, 65, 169, 235, 611, 845, 3055, 7943, 39715, 52879, 264395, 687427, 2485313, 3437135, 8936551, 12426565, 32309069, 44682755, 161545345, 420017897, 2100089485]

約数ペア:

[(1, 2100089485), (5, 420017897), (13, 161545345), (47, 44682755), (65, 32309069), (169, 12426565), (235, 8936551), (611, 3437135), (845, 2485313), (3055, 687427), (7943, 264395), (39715, 52879)]