16865389805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{102797}}^1$

素因数の和:102989

約数の個数: 32

約数和(自身を含む): 23388600960

約数和(自身を除く): 6523211155

約数列:

[1, 5, 11, 19, 55, 95, 157, 209, 785, 1045, 1727, 2983, 8635, 14915, 32813, 102797, 164065, 513985, 1130767, 1953143, 5653835, 9765715, 16139129, 21484573, 80695645, 107422865, 177530419, 306643451, 887652095, 1533217255, 3373077961, 16865389805]

約数ペア:

[(1, 16865389805), (5, 3373077961), (11, 1533217255), (19, 887652095), (55, 306643451), (95, 177530419), (157, 107422865), (209, 80695645), (785, 21484573), (1045, 16139129), (1727, 9765715), (2983, 5653835), (8635, 1953143), (14915, 1130767), (32813, 513985), (102797, 164065)]