1620752

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:543

約数の個数: 40

約数和(自身を含む): 3720000

約数和(自身を除く): 2099248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 499, 812, 998, 1624, 1996, 3248, 3493, 3992, 6986, 7984, 13972, 14471, 27944, 28942, 55888, 57884, 101297, 115768, 202594, 231536, 405188, 810376, 1620752]

約数ペア:

[(1, 1620752), (2, 810376), (4, 405188), (7, 231536), (8, 202594), (14, 115768), (16, 101297), (28, 57884), (29, 55888), (56, 28942), (58, 27944), (112, 14471), (116, 13972), (203, 7984), (232, 6986), (406, 3992), (464, 3493), (499, 3248), (812, 1996), (998, 1624)]