66648712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{640853}}^1$

素因数の和:640872

約数の個数: 16

約数和(自身を含む): 134579340

約数和(自身を除く): 67930628

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 640853, 1281706, 2563412, 5126824, 8331089, 16662178, 33324356, 66648712]

約数ペア:

[(1, 66648712), (2, 33324356), (4, 16662178), (8, 8331089), (13, 5126824), (26, 2563412), (52, 1281706), (104, 640853)]