81903794

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43987}}^1$

素因数の和:44022

約数の個数: 24

約数和(自身を含む): 150438960

約数和(自身を除く): 68535166

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 43987, 87974, 307909, 615818, 835753, 1671506, 2155363, 4310726, 5850271, 11700542, 40951897, 81903794]

約数ペア:

[(1, 81903794), (2, 40951897), (7, 11700542), (14, 5850271), (19, 4310726), (38, 2155363), (49, 1671506), (98, 835753), (133, 615818), (266, 307909), (931, 87974), (1862, 43987)]