1212445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 1636992

約数和(自身を除く): 424547

約数列:

[1, 5, 13, 23, 65, 115, 299, 811, 1495, 4055, 10543, 18653, 52715, 93265, 242489, 1212445]

約数ペア:

[(1, 1212445), (5, 242489), (13, 93265), (23, 52715), (65, 18653), (115, 10543), (299, 4055), (811, 1495)]