128745539

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30661}}^1$

素因数の和:30710

約数の個数: 16

約数和(自身を含む): 154536480

約数和(自身を除く): 25790941

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 30661, 398593, 521237, 582559, 6776081, 7573267, 9903503, 128745539]

約数ペア:

[(1, 128745539), (13, 9903503), (17, 7573267), (19, 6776081), (221, 582559), (247, 521237), (323, 398593), (4199, 30661)]