28165235

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{27749}}^1$

素因数の和:27790

約数の個数: 16

約数和(自身を含む): 39960000

約数和(自身を除く): 11794765

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 27749, 138745, 194243, 804721, 971215, 4023605, 5633047, 28165235]

約数ペア:

[(1, 28165235), (5, 5633047), (7, 4023605), (29, 971215), (35, 804721), (145, 194243), (203, 138745), (1015, 27749)]