212713085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 288465408

約数和(自身を除く): 75752323

約数列:

[1, 5, 13, 23, 65, 115, 263, 299, 541, 1315, 1495, 2705, 3419, 6049, 7033, 12443, 17095, 30245, 35165, 62215, 78637, 142283, 161759, 393185, 711415, 808795, 1849679, 3272509, 9248395, 16362545, 42542617, 212713085]

約数ペア:

[(1, 212713085), (5, 42542617), (13, 16362545), (23, 9248395), (65, 3272509), (115, 1849679), (263, 808795), (299, 711415), (541, 393185), (1315, 161759), (1495, 142283), (2705, 78637), (3419, 62215), (6049, 35165), (7033, 30245), (12443, 17095)]