128519090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2657}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 264864384

約数和(自身を除く): 136345294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 691, 1382, 2657, 3455, 4837, 5314, 6910, 9674, 13285, 18599, 24185, 26570, 37198, 48370, 92995, 185990, 1835987, 3671974, 9179935, 12851909, 18359870, 25703818, 64259545, 128519090]

約数ペア:

[(1, 128519090), (2, 64259545), (5, 25703818), (7, 18359870), (10, 12851909), (14, 9179935), (35, 3671974), (70, 1835987), (691, 185990), (1382, 92995), (2657, 48370), (3455, 37198), (4837, 26570), (5314, 24185), (6910, 18599), (9674, 13285)]