2149973

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 2770200

約数和(自身を除く): 620227

約数列:

[1, 7, 17, 29, 49, 89, 119, 203, 493, 623, 833, 1421, 1513, 2581, 3451, 4361, 10591, 18067, 24157, 43877, 74137, 126469, 307139, 2149973]

約数ペア:

[(1, 2149973), (7, 307139), (17, 126469), (29, 74137), (49, 43877), (89, 24157), (119, 18067), (203, 10591), (493, 4361), (623, 3451), (833, 2581), (1421, 1513)]