81139994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{164251}}^1$

素因数の和:164285

約数の個数: 16

約数和(自身を含む): 137971680

約数和(自身を除く): 56831686

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 164251, 328502, 2135263, 3120769, 4270526, 6241538, 40569997, 81139994]

約数ペア:

[(1, 81139994), (2, 40569997), (13, 6241538), (19, 4270526), (26, 3120769), (38, 2135263), (247, 328502), (494, 164251)]