8640097921

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{13563733}}^1$

素因数の和:13563760

約数の個数: 12

約数和(自身を含む): 10823859732

約数和(自身を除く): 2183761811

約数列:

[1, 7, 13, 49, 91, 637, 13563733, 94946131, 176328529, 664622917, 1234299703, 8640097921]

約数ペア:

[(1, 8640097921), (7, 1234299703), (13, 664622917), (49, 176328529), (91, 94946131), (637, 13563733)]