16779217

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 4993583

約数列:

[1, 7, 13, 49, 53, 71, 91, 343, 371, 497, 637, 689, 923, 2597, 3479, 3763, 4459, 4823, 6461, 18179, 24353, 26341, 33761, 45227, 48919, 184387, 236327, 316589, 342433, 1290709, 2397031, 16779217]

約数ペア:

[(1, 16779217), (7, 2397031), (13, 1290709), (49, 342433), (53, 316589), (71, 236327), (91, 184387), (343, 48919), (371, 45227), (497, 33761), (637, 26341), (689, 24353), (923, 18179), (2597, 6461), (3479, 4823), (3763, 4459)]