826664368

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{80603}}^1$

素因数の和:81252

約数の個数: 20

約数和(自身を含む): 1604180808

約数和(自身を除く): 777516440

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 80603, 161206, 322412, 644824, 1289648, 51666523, 103333046, 206666092, 413332184, 826664368]

約数ペア:

[(1, 826664368), (2, 413332184), (4, 206666092), (8, 103333046), (16, 51666523), (641, 1289648), (1282, 644824), (2564, 322412), (5128, 161206), (10256, 80603)]