12981898

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1097}}^1$

素因数の和:1257

約数の個数: 16

約数和(自身を含む): 20014344

約数和(自身を除く): 7032446

約数列:

[1, 2, 61, 97, 122, 194, 1097, 2194, 5917, 11834, 66917, 106409, 133834, 212818, 6490949, 12981898]

約数ペア:

[(1, 12981898), (2, 6490949), (61, 212818), (97, 133834), (122, 106409), (194, 66917), (1097, 11834), (2194, 5917)]