491990926

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1\times {\mathrm{881}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 854255808

約数和(自身を除く): 362264882

約数列:

[1, 2, 7, 14, 113, 226, 353, 706, 791, 881, 1582, 1762, 2471, 4942, 6167, 12334, 39889, 79778, 99553, 199106, 279223, 310993, 558446, 621986, 696871, 1393742, 2176951, 4353902, 35142209, 70284418, 245995463, 491990926]

約数ペア:

[(1, 491990926), (2, 245995463), (7, 70284418), (14, 35142209), (113, 4353902), (226, 2176951), (353, 1393742), (706, 696871), (791, 621986), (881, 558446), (1582, 310993), (1762, 279223), (2471, 199106), (4942, 99553), (6167, 79778), (12334, 39889)]