642654402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8239159}}^1$

素因数の和:8239177

約数の個数: 16

約数和(自身を含む): 1384178880

約数和(自身を除く): 741524478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8239159, 16478318, 24717477, 49434954, 107109067, 214218134, 321327201, 642654402]

約数ペア:

[(1, 642654402), (2, 321327201), (3, 214218134), (6, 107109067), (13, 49434954), (26, 24717477), (39, 16478318), (78, 8239159)]