2051225488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9861661}}^1$

素因数の和:9861682

約数の個数: 20

約数和(自身を含む): 4279961308

約数和(自身を除く): 2228735820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9861661, 19723322, 39446644, 78893288, 128201593, 157786576, 256403186, 512806372, 1025612744, 2051225488]

約数ペア:

[(1, 2051225488), (2, 1025612744), (4, 512806372), (8, 256403186), (13, 157786576), (16, 128201593), (26, 78893288), (52, 39446644), (104, 19723322), (208, 9861661)]