1561406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10139}}^1$

素因数の和:10159

約数の個数: 16

約数和(自身を含む): 2920320

約数和(自身を除く): 1358914

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 10139, 20278, 70973, 111529, 141946, 223058, 780703, 1561406]

約数ペア:

[(1, 1561406), (2, 780703), (7, 223058), (11, 141946), (14, 111529), (22, 70973), (77, 20278), (154, 10139)]