64880439

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{23431}}^1$

素因数の和:23518

約数の個数: 16

約数和(自身を含む): 94477824

約数和(自身を除く): 29597385

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 23431, 70293, 304603, 913809, 1663601, 4990803, 21626813, 64880439]

約数ペア:

[(1, 64880439), (3, 21626813), (13, 4990803), (39, 1663601), (71, 913809), (213, 304603), (923, 70293), (2769, 23431)]