128839205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{2549}}^1$

素因数の和:3484

約数の個数: 16

約数和(自身を含む): 168912000

約数和(自身を除く): 40072795

約数列:

[1, 5, 11, 55, 919, 2549, 4595, 10109, 12745, 28039, 50545, 140195, 2342531, 11712655, 25767841, 128839205]

約数ペア:

[(1, 128839205), (5, 25767841), (11, 11712655), (55, 2342531), (919, 140195), (2549, 50545), (4595, 28039), (10109, 12745)]