80644004

素因数分解:

$2^2\times 7^2\times {\mathrm{411449}}^1$

素因数の和:411467

約数の個数: 18

約数和(自身を含む): 164168550

約数和(自身を除く): 83524546

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 411449, 822898, 1645796, 2880143, 5760286, 11520572, 20161001, 40322002, 80644004]

約数ペア:

[(1, 80644004), (2, 40322002), (4, 20161001), (7, 11520572), (14, 5760286), (28, 2880143), (49, 1645796), (98, 822898), (196, 411449)]