2021664505

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{7433}}^1$

素因数の和:7873

約数の個数: 32

約数和(自身を含む): 2926022400

約数和(自身を除く): 904357895

約数列:

[1, 5, 7, 19, 35, 95, 133, 409, 665, 2045, 2863, 7433, 7771, 14315, 37165, 38855, 52031, 54397, 141227, 260155, 271985, 706135, 988589, 3040097, 4942945, 15200485, 21280679, 57761843, 106403395, 288809215, 404332901, 2021664505]

約数ペア:

[(1, 2021664505), (5, 404332901), (7, 288809215), (19, 106403395), (35, 57761843), (95, 21280679), (133, 15200485), (409, 4942945), (665, 3040097), (2045, 988589), (2863, 706135), (7433, 271985), (7771, 260155), (14315, 141227), (37165, 54397), (38855, 52031)]