647852881

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3089}}^1$

素因数の和:3205

約数の個数: 24

約数和(自身を含む): 753206040

約数和(自身を除く): 105353159

約数列:

[1, 13, 17, 73, 169, 221, 949, 1241, 2873, 3089, 12337, 16133, 40157, 52513, 209729, 225497, 522041, 682669, 2931461, 3833449, 8874697, 38108993, 49834837, 647852881]

約数ペア:

[(1, 647852881), (13, 49834837), (17, 38108993), (73, 8874697), (169, 3833449), (221, 2931461), (949, 682669), (1241, 522041), (2873, 225497), (3089, 209729), (12337, 52513), (16133, 40157)]