81655084

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153487}}^1$

素因数の和:153517

約数の個数: 24

約数和(自身を含む): 171906560

約数和(自身を除く): 90251476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153487, 306974, 613948, 1074409, 2148818, 2916253, 4297636, 5832506, 11665012, 20413771, 40827542, 81655084]

約数ペア:

[(1, 81655084), (2, 40827542), (4, 20413771), (7, 11665012), (14, 5832506), (19, 4297636), (28, 2916253), (38, 2148818), (76, 1074409), (133, 613948), (266, 306974), (532, 153487)]