2216123

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 20

約数和(自身を含む): 2823408

約数和(自身を除く): 607285

約数列:

[1, 7, 13, 49, 71, 91, 343, 497, 637, 923, 2401, 3479, 4459, 6461, 24353, 31213, 45227, 170471, 316589, 2216123]

約数ペア:

[(1, 2216123), (7, 316589), (13, 170471), (49, 45227), (71, 31213), (91, 24353), (343, 6461), (497, 4459), (637, 3479), (923, 2401)]