2129545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 2880000

約数和(自身を除く): 750455

約数列:

[1, 5, 11, 31, 55, 155, 341, 1249, 1705, 6245, 13739, 38719, 68695, 193595, 425909, 2129545]

約数ペア:

[(1, 2129545), (5, 425909), (11, 193595), (31, 68695), (55, 38719), (155, 13739), (341, 6245), (1249, 1705)]