81306232

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19889}}^1$

素因数の和:19975

約数の個数: 32

約数和(自身を含む): 176623200

約数和(自身を除く): 95316968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 19889, 39778, 79556, 139223, 159112, 278446, 556892, 1113784, 1451897, 2903794, 5807588, 10163279, 11615176, 20326558, 40653116, 81306232]

約数ペア:

[(1, 81306232), (2, 40653116), (4, 20326558), (7, 11615176), (8, 10163279), (14, 5807588), (28, 2903794), (56, 1451897), (73, 1113784), (146, 556892), (292, 278446), (511, 159112), (584, 139223), (1022, 79556), (2044, 39778), (4088, 19889)]