28103617451

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{489431}}^1$

素因数の和:490082

約数の個数: 16

約数和(自身を含む): 34643954688

約数和(自身を除く): 6540337237

約数列:

[1, 7, 13, 91, 631, 4417, 8203, 57421, 489431, 3426017, 6362603, 44538221, 308830961, 2161816727, 4014802493, 28103617451]

約数ペア:

[(1, 28103617451), (7, 4014802493), (13, 2161816727), (91, 308830961), (631, 44538221), (4417, 6362603), (8203, 3426017), (57421, 489431)]