16861640398

素因数分解:

$2^1\times {\mathrm{52081}}^1\times {\mathrm{161879}}^1$

素因数の和:213962

約数の個数: 8

約数和(自身を含む): 25293102480

約数和(自身を除く): 8431462082

約数列:

[1, 2, 52081, 104162, 161879, 323758, 8430820199, 16861640398]

約数ペア:

[(1, 16861640398), (2, 8430820199), (52081, 323758), (104162, 161879)]