199401965

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2819}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 285880320

約数和(自身を除く): 86478355

約数列:

[1, 5, 7, 35, 43, 47, 215, 235, 301, 329, 1505, 1645, 2021, 2819, 10105, 14095, 14147, 19733, 70735, 98665, 121217, 132493, 606085, 662465, 848519, 927451, 4242595, 4637255, 5697199, 28485995, 39880393, 199401965]

約数ペア:

[(1, 199401965), (5, 39880393), (7, 28485995), (35, 5697199), (43, 4637255), (47, 4242595), (215, 927451), (235, 848519), (301, 662465), (329, 606085), (1505, 132493), (1645, 121217), (2021, 98665), (2819, 70735), (10105, 19733), (14095, 14147)]