65561990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{504323}}^1$

素因数の和:504343

約数の個数: 16

約数和(自身を含む): 127089648

約数和(自身を除く): 61527658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 504323, 1008646, 2521615, 5043230, 6556199, 13112398, 32780995, 65561990]

約数ペア:

[(1, 65561990), (2, 32780995), (5, 13112398), (10, 6556199), (13, 5043230), (26, 2521615), (65, 1008646), (130, 504323)]