261827816

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{394319}}^1$

素因数の和:394408

約数の個数: 16

約数和(自身を含む): 496843200

約数和(自身を除く): 235015384

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 394319, 788638, 1577276, 3154552, 32728477, 65456954, 130913908, 261827816]

約数ペア:

[(1, 261827816), (2, 130913908), (4, 65456954), (8, 32728477), (83, 3154552), (166, 1577276), (332, 788638), (664, 394319)]