318208816

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{9949}}^1$

素因数の和:11956

約数の個数: 20

約数和(自身を含む): 616900000

約数和(自身を除く): 298691184

約数列:

[1, 2, 4, 8, 16, 1999, 3998, 7996, 9949, 15992, 19898, 31984, 39796, 79592, 159184, 19888051, 39776102, 79552204, 159104408, 318208816]

約数ペア:

[(1, 318208816), (2, 159104408), (4, 79552204), (8, 39776102), (16, 19888051), (1999, 159184), (3998, 79592), (7996, 39796), (9949, 31984), (15992, 19898)]