128567816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1236229}}^1$

素因数の和:1236248

約数の個数: 16

約数和(自身を含む): 259608300

約数和(自身を除く): 131040484

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1236229, 2472458, 4944916, 9889832, 16070977, 32141954, 64283908, 128567816]

約数ペア:

[(1, 128567816), (2, 64283908), (4, 32141954), (8, 16070977), (13, 9889832), (26, 4944916), (52, 2472458), (104, 1236229)]