68918954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{6481}}^1$

素因数の和:6905

約数の個数: 16

約数和(自身を含む): 111620040

約数和(自身を除く): 42701086

約数列:

[1, 2, 13, 26, 409, 818, 5317, 6481, 10634, 12962, 84253, 168506, 2650729, 5301458, 34459477, 68918954]

約数ペア:

[(1, 68918954), (2, 34459477), (13, 5301458), (26, 2650729), (409, 168506), (818, 84253), (5317, 12962), (6481, 10634)]