646086238

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{4021}}^1$

素因数の和:4552

約数の個数: 32

約数和(自身を含む): 1158336000

約数和(自身を除く): 512249762

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 499, 998, 3493, 4021, 6986, 8042, 11477, 22954, 28147, 56294, 80339, 92483, 160678, 184966, 647381, 1294762, 2006479, 4012958, 14045353, 28090706, 46149017, 92298034, 323043119, 646086238]

約数ペア:

[(1, 646086238), (2, 323043119), (7, 92298034), (14, 46149017), (23, 28090706), (46, 14045353), (161, 4012958), (322, 2006479), (499, 1294762), (998, 647381), (3493, 184966), (4021, 160678), (6986, 92483), (8042, 80339), (11477, 56294), (22954, 28147)]