1902019

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 16

約数和(自身を含む): 2280960

約数和(自身を除く): 378941

約数列:

[1, 7, 43, 71, 89, 301, 497, 623, 3053, 3827, 6319, 21371, 26789, 44233, 271717, 1902019]

約数ペア:

[(1, 1902019), (7, 271717), (43, 44233), (71, 26789), (89, 21371), (301, 6319), (497, 3827), (623, 3053)]