12187903

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 15232000

約数和(自身を除く): 3044097

約数列:

[1, 7, 13, 67, 91, 469, 871, 1999, 6097, 13993, 25987, 133933, 181909, 937531, 1741129, 12187903]

約数ペア:

[(1, 12187903), (7, 1741129), (13, 937531), (67, 181909), (91, 133933), (469, 25987), (871, 13993), (1999, 6097)]