66782016808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{642134777}}^1$

素因数の和:642134796

約数の個数: 16

約数和(自身を含む): 134848303380

約数和(自身を除く): 68066286572

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 642134777, 1284269554, 2568539108, 5137078216, 8347752101, 16695504202, 33391008404, 66782016808]

約数ペア:

[(1, 66782016808), (2, 33391008404), (4, 16695504202), (8, 8347752101), (13, 5137078216), (26, 2568539108), (52, 1284269554), (104, 642134777)]