199940356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{649157}}^1$

素因数の和:649179

約数の個数: 24

約数和(自身を含む): 436234176

約数和(自身を除く): 236293820

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 649157, 1298314, 2596628, 4544099, 7140727, 9088198, 14281454, 18176396, 28562908, 49985089, 99970178, 199940356]

約数ペア:

[(1, 199940356), (2, 99970178), (4, 49985089), (7, 28562908), (11, 18176396), (14, 14281454), (22, 9088198), (28, 7140727), (44, 4544099), (77, 2596628), (154, 1298314), (308, 649157)]