40890038

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71237}}^1$

素因数の和:71287

約数の個数: 16

約数和(自身を含む): 71807904

約数和(自身を除く): 30917866

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 71237, 142474, 498659, 997318, 2920717, 5841434, 20445019, 40890038]

約数ペア:

[(1, 40890038), (2, 20445019), (7, 5841434), (14, 2920717), (41, 997318), (82, 498659), (287, 142474), (574, 71237)]