68817424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330853}}^1$

素因数の和:330874

約数の個数: 20

約数和(自身を含む): 143590636

約数和(自身を除く): 74773212

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330853, 661706, 1323412, 2646824, 4301089, 5293648, 8602178, 17204356, 34408712, 68817424]

約数ペア:

[(1, 68817424), (2, 34408712), (4, 17204356), (8, 8602178), (13, 5293648), (16, 4301089), (26, 2646824), (52, 1323412), (104, 661706), (208, 330853)]