400987006

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{225527}}^1$

素因数の和:225663

約数の個数: 16

約数和(自身を含む): 692822016

約数和(自身を除く): 291835010

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 225527, 451054, 1578689, 3157378, 28641929, 57283858, 200493503, 400987006]

約数ペア:

[(1, 400987006), (2, 200493503), (7, 57283858), (14, 28641929), (127, 3157378), (254, 1578689), (889, 451054), (1778, 225527)]