28121584

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{2659}}^1$

素因数の和:3328

約数の個数: 20

約数和(自身を含む): 54588520

約数和(自身を除く): 26466936

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 2659, 5288, 5318, 10576, 10636, 21272, 42544, 1757599, 3515198, 7030396, 14060792, 28121584]

約数ペア:

[(1, 28121584), (2, 14060792), (4, 7030396), (8, 3515198), (16, 1757599), (661, 42544), (1322, 21272), (2644, 10636), (2659, 10576), (5288, 5318)]