1330379981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{71963}}^1$

素因数の和:72128

約数の個数: 16

約数和(自身を含む): 1611993600

約数和(自身を除く): 281613619

約数列:

[1, 7, 19, 133, 139, 973, 2641, 18487, 71963, 503741, 1367297, 9571079, 10002857, 70019999, 190054283, 1330379981]

約数ペア:

[(1, 1330379981), (7, 190054283), (19, 70019999), (133, 10002857), (139, 9571079), (973, 1367297), (2641, 503741), (18487, 71963)]