81502456

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19937}}^1$

素因数の和:20023

約数の個数: 32

約数和(自身を含む): 177049440

約数和(自身を除く): 95546984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 19937, 39874, 79748, 139559, 159496, 279118, 558236, 1116472, 1455401, 2910802, 5821604, 10187807, 11643208, 20375614, 40751228, 81502456]

約数ペア:

[(1, 81502456), (2, 40751228), (4, 20375614), (7, 11643208), (8, 10187807), (14, 5821604), (28, 2910802), (56, 1455401), (73, 1116472), (146, 558236), (292, 279118), (511, 159496), (584, 139559), (1022, 79748), (2044, 39874), (4088, 19937)]