201620507

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{431}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 235519488

約数和(自身を除く): 33898981

約数列:

[1, 11, 23, 43, 253, 431, 473, 989, 1849, 4741, 9913, 10879, 18533, 20339, 42527, 109043, 203863, 426259, 467797, 796919, 4688849, 8766109, 18329137, 201620507]

約数ペア:

[(1, 201620507), (11, 18329137), (23, 8766109), (43, 4688849), (253, 796919), (431, 467797), (473, 426259), (989, 203863), (1849, 109043), (4741, 42527), (9913, 20339), (10879, 18533)]