128537836

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{106759}}^1$

素因数の和:106813

約数の個数: 24

約数和(自身を含む): 263056640

約数和(自身を除く): 134518804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 106759, 213518, 427036, 747313, 1494626, 2989252, 4590637, 9181274, 18362548, 32134459, 64268918, 128537836]

約数ペア:

[(1, 128537836), (2, 64268918), (4, 32134459), (7, 18362548), (14, 9181274), (28, 4590637), (43, 2989252), (86, 1494626), (172, 747313), (301, 427036), (602, 213518), (1204, 106759)]