400123066

素因数分解:

$2^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{73471}}^1$

素因数の和:73869

約数の個数: 16

約数和(自身を含む): 687697920

約数和(自身を除く): 287574854

約数列:

[1, 2, 7, 14, 389, 778, 2723, 5446, 73471, 146942, 514297, 1028594, 28580219, 57160438, 200061533, 400123066]

約数ペア:

[(1, 400123066), (2, 200061533), (7, 57160438), (14, 28580219), (389, 1028594), (778, 514297), (2723, 146942), (5446, 73471)]