258867742

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{973187}}^1$

素因数の和:973215

約数の個数: 16

約数和(自身を含む): 467130240

約数和(自身を除く): 208262498

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 973187, 1946374, 6812309, 13624618, 18490553, 36981106, 129433871, 258867742]

約数ペア:

[(1, 258867742), (2, 129433871), (7, 36981106), (14, 18490553), (19, 13624618), (38, 6812309), (133, 1946374), (266, 973187)]