128486533

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{21569}}^1$

素因数の和:21636

約数の個数: 16

約数和(自身を含む): 157374720

約数和(自身を除く): 28888187

約数列:

[1, 7, 23, 37, 161, 259, 851, 5957, 21569, 150983, 496087, 798053, 3472609, 5586371, 18355219, 128486533]

約数ペア:

[(1, 128486533), (7, 18355219), (23, 5586371), (37, 3472609), (161, 798053), (259, 496087), (851, 150983), (5957, 21569)]