209909086

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{64271}}^1$

素因数の和:64367

約数の個数: 16

約数和(自身を含む): 333186048

約数和(自身を除く): 123276962

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 64271, 128542, 1478233, 2956466, 4563241, 9126482, 104954543, 209909086]

約数ペア:

[(1, 209909086), (2, 104954543), (23, 9126482), (46, 4563241), (71, 2956466), (142, 1478233), (1633, 128542), (3266, 64271)]