25308257

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 30357504

約数和(自身を除く): 5049247

約数列:

[1, 13, 17, 23, 169, 221, 299, 383, 391, 2873, 3887, 4979, 5083, 6511, 8809, 64727, 66079, 84643, 114517, 149753, 1100359, 1488721, 1946789, 25308257]

約数ペア:

[(1, 25308257), (13, 1946789), (17, 1488721), (23, 1100359), (169, 149753), (221, 114517), (299, 84643), (383, 66079), (391, 64727), (2873, 8809), (3887, 6511), (4979, 5083)]