388580712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1245451}}^1$

素因数の和:1245473

約数の個数: 32

約数和(自身を含む): 1046179680

約数和(自身を除く): 657598968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1245451, 2490902, 3736353, 4981804, 7472706, 9963608, 14945412, 16190863, 29890824, 32381726, 48572589, 64763452, 97145178, 129526904, 194290356, 388580712]

約数ペア:

[(1, 388580712), (2, 194290356), (3, 129526904), (4, 97145178), (6, 64763452), (8, 48572589), (12, 32381726), (13, 29890824), (24, 16190863), (26, 14945412), (39, 9963608), (52, 7472706), (78, 4981804), (104, 3736353), (156, 2490902), (312, 1245451)]