81385232

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{24107}}^1$

素因数の和:24326

約数の個数: 20

約数和(自身を含む): 158437776

約数和(自身を除く): 77052544

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 24107, 48214, 96428, 192856, 385712, 5086577, 10173154, 20346308, 40692616, 81385232]

約数ペア:

[(1, 81385232), (2, 40692616), (4, 20346308), (8, 10173154), (16, 5086577), (211, 385712), (422, 192856), (844, 96428), (1688, 48214), (3376, 24107)]