12139985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16979}}^1$

素因数の和:17008

約数の個数: 16

約数和(自身を含む): 17115840

約数和(自身を除く): 4975855

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 16979, 84895, 186769, 220727, 933845, 1103635, 2427997, 12139985]

約数ペア:

[(1, 12139985), (5, 2427997), (11, 1103635), (13, 933845), (55, 220727), (65, 186769), (143, 84895), (715, 16979)]