25878008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{248827}}^1$

素因数の和:248846

約数の個数: 16

約数和(自身を含む): 52253880

約数和(自身を除く): 26375872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 248827, 497654, 995308, 1990616, 3234751, 6469502, 12939004, 25878008]

約数ペア:

[(1, 25878008), (2, 12939004), (4, 6469502), (8, 3234751), (13, 1990616), (26, 995308), (52, 497654), (104, 248827)]