68777488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330661}}^1$

素因数の和:330682

約数の個数: 20

約数和(自身を含む): 143507308

約数和(自身を除く): 74729820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330661, 661322, 1322644, 2645288, 4298593, 5290576, 8597186, 17194372, 34388744, 68777488]

約数ペア:

[(1, 68777488), (2, 34388744), (4, 17194372), (8, 8597186), (13, 5290576), (16, 4298593), (26, 2645288), (52, 1322644), (104, 661322), (208, 330661)]