1605123772

素因数分解:

$2^2\times 7^2\times {\mathrm{409}}^1\times {\mathrm{20023}}^1$

素因数の和:20450

約数の個数: 36

約数和(自身を含む): 3275726160

約数和(自身を除く): 1670602388

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 409, 818, 1636, 2863, 5726, 11452, 20023, 20041, 40046, 40082, 80092, 80164, 140161, 280322, 560644, 981127, 1962254, 3924508, 8189407, 16378814, 32757628, 57325849, 114651698, 229303396, 401280943, 802561886, 1605123772]

約数ペア:

[(1, 1605123772), (2, 802561886), (4, 401280943), (7, 229303396), (14, 114651698), (28, 57325849), (49, 32757628), (98, 16378814), (196, 8189407), (409, 3924508), (818, 1962254), (1636, 981127), (2863, 560644), (5726, 280322), (11452, 140161), (20023, 80164), (20041, 80092), (40046, 40082)]