9965995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 14152320

約数和(自身を除く): 4186325

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 311, 377, 493, 1105, 1555, 1885, 2465, 4043, 5287, 6409, 9019, 20215, 26435, 32045, 45095, 68731, 117247, 153323, 343655, 586235, 766615, 1993199, 9965995]

約数ペア:

[(1, 9965995), (5, 1993199), (13, 766615), (17, 586235), (29, 343655), (65, 153323), (85, 117247), (145, 68731), (221, 45095), (311, 32045), (377, 26435), (493, 20215), (1105, 9019), (1555, 6409), (1885, 5287), (2465, 4043)]