66434992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319399}}^1$

素因数の和:319420

約数の個数: 20

約数和(自身を含む): 138619600

約数和(自身を除く): 72184608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319399, 638798, 1277596, 2555192, 4152187, 5110384, 8304374, 16608748, 33217496, 66434992]

約数ペア:

[(1, 66434992), (2, 33217496), (4, 16608748), (8, 8304374), (13, 5110384), (16, 4152187), (26, 2555192), (52, 1277596), (104, 638798), (208, 319399)]