987123886

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2274479}}^1$

素因数の和:2274519

約数の個数: 16

約数和(自身を含む): 1746800640

約数和(自身を除く): 759676754

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 2274479, 4548958, 15921353, 31842706, 70508849, 141017698, 493561943, 987123886]

約数ペア:

[(1, 987123886), (2, 493561943), (7, 141017698), (14, 70508849), (31, 31842706), (62, 15921353), (217, 4548958), (434, 2274479)]