80520398

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{338321}}^1$

素因数の和:338347

約数の個数: 16

約数和(自身を含む): 146155104

約数和(自身を除く): 65634706

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 338321, 676642, 2368247, 4736494, 5751457, 11502914, 40260199, 80520398]

約数ペア:

[(1, 80520398), (2, 40260199), (7, 11502914), (14, 5751457), (17, 4736494), (34, 2368247), (119, 676642), (238, 338321)]