211380845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 279707904

約数和(自身を除く): 68327059

約数列:

[1, 5, 13, 65, 71, 163, 281, 355, 815, 923, 1405, 2119, 3653, 4615, 10595, 11573, 18265, 19951, 45803, 57865, 99755, 150449, 229015, 259363, 595439, 752245, 1296815, 2977195, 3252013, 16260065, 42276169, 211380845]

約数ペア:

[(1, 211380845), (5, 42276169), (13, 16260065), (65, 3252013), (71, 2977195), (163, 1296815), (281, 752245), (355, 595439), (815, 259363), (923, 229015), (1405, 150449), (2119, 99755), (3653, 57865), (4615, 45803), (10595, 19951), (11573, 18265)]