1520647555

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{2003}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 2116224000

約数和(自身を除く): 595576445

約数列:

[1, 5, 7, 35, 109, 199, 545, 763, 995, 1393, 2003, 3815, 6965, 10015, 14021, 21691, 70105, 108455, 151837, 218327, 398597, 759185, 1091635, 1528289, 1992985, 2790179, 7641445, 13950895, 43447073, 217235365, 304129511, 1520647555]

約数ペア:

[(1, 1520647555), (5, 304129511), (7, 217235365), (35, 43447073), (109, 13950895), (199, 7641445), (545, 2790179), (763, 1992985), (995, 1528289), (1393, 1091635), (2003, 759185), (3815, 398597), (6965, 218327), (10015, 151837), (14021, 108455), (21691, 70105)]