66916616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{643429}}^1$

素因数の和:643448

約数の個数: 16

約数和(自身を含む): 135120300

約数和(自身を除く): 68203684

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 643429, 1286858, 2573716, 5147432, 8364577, 16729154, 33458308, 66916616]

約数ペア:

[(1, 66916616), (2, 33458308), (4, 16729154), (8, 8364577), (13, 5147432), (26, 2573716), (52, 1286858), (104, 643429)]