189250009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 219828224

約数和(自身を除く): 30578215

約数列:

[1, 13, 31, 43, 67, 163, 403, 559, 871, 1333, 2077, 2119, 2881, 5053, 7009, 10921, 17329, 27001, 37453, 65689, 89311, 91117, 141973, 217279, 338551, 469603, 1161043, 2824627, 4401163, 6104839, 14557693, 189250009]

約数ペア:

[(1, 189250009), (13, 14557693), (31, 6104839), (43, 4401163), (67, 2824627), (163, 1161043), (403, 469603), (559, 338551), (871, 217279), (1333, 141973), (2077, 91117), (2119, 89311), (2881, 65689), (5053, 37453), (7009, 27001), (10921, 17329)]