2189222

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 24

約数和(自身を含む): 3878280

約数和(自身を除く): 1689058

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 251, 502, 623, 1246, 1757, 3514, 4361, 8722, 12299, 22339, 24598, 44678, 156373, 312746, 1094611, 2189222]

約数ペア:

[(1, 2189222), (2, 1094611), (7, 312746), (14, 156373), (49, 44678), (89, 24598), (98, 22339), (178, 12299), (251, 8722), (502, 4361), (623, 3514), (1246, 1757)]