28685188

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8609}}^1$

素因数の和:8644

約数の個数: 36

約数和(自身を含む): 61837020

約数和(自身を除く): 33151832

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 8609, 17218, 34436, 60263, 120526, 146353, 241052, 292706, 421841, 585412, 843682, 1024471, 1687364, 2048942, 4097884, 7171297, 14342594, 28685188]

約数ペア:

[(1, 28685188), (2, 14342594), (4, 7171297), (7, 4097884), (14, 2048942), (17, 1687364), (28, 1024471), (34, 843682), (49, 585412), (68, 421841), (98, 292706), (119, 241052), (196, 146353), (238, 120526), (476, 60263), (833, 34436), (1666, 17218), (3332, 8609)]