66936008

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 127553400

約数和(自身を除く): 60617392

約数列:

[1, 2, 4, 8, 137, 157, 274, 314, 389, 548, 628, 778, 1096, 1256, 1556, 3112, 21509, 43018, 53293, 61073, 86036, 106586, 122146, 172072, 213172, 244292, 426344, 488584, 8367001, 16734002, 33468004, 66936008]

約数ペア:

[(1, 66936008), (2, 33468004), (4, 16734002), (8, 8367001), (137, 488584), (157, 426344), (274, 244292), (314, 213172), (389, 172072), (548, 122146), (628, 106586), (778, 86036), (1096, 61073), (1256, 53293), (1556, 43018), (3112, 21509)]