129241424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{621353}}^1$

素因数の和:621374

約数の個数: 20

約数和(自身を含む): 269667636

約数和(自身を除く): 140426212

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 621353, 1242706, 2485412, 4970824, 8077589, 9941648, 16155178, 32310356, 64620712, 129241424]

約数ペア:

[(1, 129241424), (2, 64620712), (4, 32310356), (8, 16155178), (13, 9941648), (16, 8077589), (26, 4970824), (52, 2485412), (104, 1242706), (208, 621353)]