28288535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13901}}^1$

素因数の和:13954

約数の個数: 16

約数和(自身を含む): 38035872

約数和(自身を除く): 9747337

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 13901, 69505, 152911, 514337, 764555, 2571685, 5657707, 28288535]

約数ペア:

[(1, 28288535), (5, 5657707), (11, 2571685), (37, 764555), (55, 514337), (185, 152911), (407, 69505), (2035, 13901)]