259364144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1246943}}^1$

素因数の和:1246964

約数の個数: 20

約数和(自身を含む): 541173696

約数和(自身を除く): 281809552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1246943, 2493886, 4987772, 9975544, 16210259, 19951088, 32420518, 64841036, 129682072, 259364144]

約数ペア:

[(1, 259364144), (2, 129682072), (4, 64841036), (8, 32420518), (13, 19951088), (16, 16210259), (26, 9975544), (52, 4987772), (104, 2493886), (208, 1246943)]