393440012

素因数分解:

$2^2\times 7^2\times {\mathrm{2007347}}^1$

素因数の和:2007365

約数の個数: 18

約数和(自身を含む): 800931852

約数和(自身を除く): 407491840

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 2007347, 4014694, 8029388, 14051429, 28102858, 56205716, 98360003, 196720006, 393440012]

約数ペア:

[(1, 393440012), (2, 196720006), (4, 98360003), (7, 56205716), (14, 28102858), (28, 14051429), (49, 8029388), (98, 4014694), (196, 2007347)]