16503110825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{21001}}^1$

素因数の和:21114

約数の個数: 36

約数和(自身を含む): 22184286588

約数和(自身を除く): 5681175763

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 1849, 3655, 9245, 18275, 21001, 31433, 46225, 105005, 157165, 357017, 525025, 785825, 903043, 1785085, 4515215, 8925425, 15351731, 22576075, 38830849, 76758655, 194154245, 383793275, 660124433, 970771225, 3300622165, 16503110825]

約数ペア:

[(1, 16503110825), (5, 3300622165), (17, 970771225), (25, 660124433), (43, 383793275), (85, 194154245), (215, 76758655), (425, 38830849), (731, 22576075), (1075, 15351731), (1849, 8925425), (3655, 4515215), (9245, 1785085), (18275, 903043), (21001, 785825), (31433, 525025), (46225, 357017), (105005, 157165)]