989864008

素因数分解:

$2^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{39901}}^1$

素因数の和:40357

約数の個数: 32

約数和(自身を含む): 2125978560

約数和(自身を除く): 1136114552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 443, 886, 1772, 3101, 3544, 6202, 12404, 24808, 39901, 79802, 159604, 279307, 319208, 558614, 1117228, 2234456, 17676143, 35352286, 70704572, 123733001, 141409144, 247466002, 494932004, 989864008]

約数ペア:

[(1, 989864008), (2, 494932004), (4, 247466002), (7, 141409144), (8, 123733001), (14, 70704572), (28, 35352286), (56, 17676143), (443, 2234456), (886, 1117228), (1772, 558614), (3101, 319208), (3544, 279307), (6202, 159604), (12404, 79802), (24808, 39901)]