217070555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 286675200

約数和(自身を除く): 69604645

約数列:

[1, 5, 13, 65, 89, 157, 239, 445, 785, 1157, 1195, 2041, 3107, 5785, 10205, 13973, 15535, 21271, 37523, 69865, 106355, 181649, 187615, 276523, 487799, 908245, 1382615, 2438995, 3339547, 16697735, 43414111, 217070555]

約数ペア:

[(1, 217070555), (5, 43414111), (13, 16697735), (65, 3339547), (89, 2438995), (157, 1382615), (239, 908245), (445, 487799), (785, 276523), (1157, 187615), (1195, 181649), (2041, 106355), (3107, 69865), (5785, 37523), (10205, 21271), (13973, 15535)]