641863638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2743007}}^1$

素因数の和:2743028

約数の個数: 24

約数和(自身を含む): 1497682368

約数和(自身を除く): 855818730

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 2743007, 5486014, 8229021, 16458042, 24687063, 35659091, 49374126, 71318182, 106977273, 213954546, 320931819, 641863638]

約数ペア:

[(1, 641863638), (2, 320931819), (3, 213954546), (6, 106977273), (9, 71318182), (13, 49374126), (18, 35659091), (26, 24687063), (39, 16458042), (78, 8229021), (117, 5486014), (234, 2743007)]