2005459595

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{680971}}^1$

素因数の和:681026

約数の個数: 16

約数和(自身を含む): 2614932480

約数和(自身を除く): 609472885

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 680971, 3404855, 12938449, 21110101, 64692245, 105550505, 401091919, 2005459595]

約数ペア:

[(1, 2005459595), (5, 401091919), (19, 105550505), (31, 64692245), (95, 21110101), (155, 12938449), (589, 3404855), (2945, 680971)]