258053782

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20641}}^1$

素因数の和:20716

約数の個数: 32

約数和(自身を含む): 475591680

約数和(自身を除く): 217537898

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1786, 6251, 12502, 20641, 41282, 144487, 288974, 392179, 784358, 970127, 1940254, 2745253, 5490506, 6790889, 13581778, 18432413, 36864826, 129026891, 258053782]

約数ペア:

[(1, 258053782), (2, 129026891), (7, 36864826), (14, 18432413), (19, 13581778), (38, 6790889), (47, 5490506), (94, 2745253), (133, 1940254), (266, 970127), (329, 784358), (658, 392179), (893, 288974), (1786, 144487), (6251, 41282), (12502, 20641)]