638631794

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{155083}}^1$

素因数の和:155185

約数の個数: 16

約数和(自身を含む): 1004944320

約数和(自身を除く): 366312526

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 155083, 310166, 4497407, 8994814, 11010893, 22021786, 319315897, 638631794]

約数ペア:

[(1, 638631794), (2, 319315897), (29, 22021786), (58, 11010893), (71, 8994814), (142, 4497407), (2059, 310166), (4118, 155083)]