211364231

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 243855360

約数和(自身を除く): 32491129

約数列:

[1, 13, 31, 71, 83, 89, 403, 923, 1079, 1157, 2201, 2573, 2759, 5893, 6319, 7387, 28613, 33449, 35867, 76609, 82147, 96031, 182683, 195889, 228997, 524477, 2374879, 2546557, 2976961, 6818201, 16258787, 211364231]

約数ペア:

[(1, 211364231), (13, 16258787), (31, 6818201), (71, 2976961), (83, 2546557), (89, 2374879), (403, 524477), (923, 228997), (1079, 195889), (1157, 182683), (2201, 96031), (2573, 82147), (2759, 76609), (5893, 35867), (6319, 33449), (7387, 28613)]