31219818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6947}}^1$

素因数の和:7066

約数の個数: 32

約数和(自身を含む): 72036864

約数和(自身を除く): 40817046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 6947, 13894, 20841, 41682, 48629, 97258, 145887, 291774, 743329, 1486658, 2229987, 4459974, 5203303, 10406606, 15609909, 31219818]

約数ペア:

[(1, 31219818), (2, 15609909), (3, 10406606), (6, 5203303), (7, 4459974), (14, 2229987), (21, 1486658), (42, 743329), (107, 291774), (214, 145887), (321, 97258), (642, 48629), (749, 41682), (1498, 20841), (2247, 13894), (4494, 6947)]