201812195

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1\times {\mathrm{991}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 263590272

約数和(自身を除く): 61778077

約数列:

[1, 5, 13, 65, 169, 241, 845, 991, 1205, 3133, 4955, 12883, 15665, 40729, 64415, 167479, 203645, 238831, 837395, 1194155, 3104803, 15524015, 40362439, 201812195]

約数ペア:

[(1, 201812195), (5, 40362439), (13, 15524015), (65, 3104803), (169, 1194155), (241, 837395), (845, 238831), (991, 203645), (1205, 167479), (3133, 64415), (4955, 40729), (12883, 15665)]