28402868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5303}}^1$

素因数の和:5423

約数の個数: 24

約数和(自身を含む): 54058368

約数和(自身を除く): 25655500

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5303, 5356, 10606, 21212, 68939, 137878, 275756, 546209, 1092418, 2184836, 7100717, 14201434, 28402868]

約数ペア:

[(1, 28402868), (2, 14201434), (4, 7100717), (13, 2184836), (26, 1092418), (52, 546209), (103, 275756), (206, 137878), (412, 68939), (1339, 21212), (2678, 10606), (5303, 5356)]