8481224.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157211}}^1$

素因数の和:157231

約数の個数: 16

約数和(自身を含む): 39617424

約数和(自身を除く): 19179994

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157211, 314422, 786055, 1572110, 2043743, 4087486, 10218715, 20437430]

約数ペア:

[(1, 20437430), (2, 10218715), (5, 4087486), (10, 2043743), (13, 1572110), (26, 786055), (65, 314422), (130, 157211)]