8781245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 12165120

約数和(自身を除く): 3383875

約数列:

[1, 5, 11, 43, 47, 55, 79, 215, 235, 395, 473, 517, 869, 2021, 2365, 2585, 3397, 3713, 4345, 10105, 16985, 18565, 22231, 37367, 40843, 111155, 159659, 186835, 204215, 798295, 1756249, 8781245]

約数ペア:

[(1, 8781245), (5, 1756249), (11, 798295), (43, 204215), (47, 186835), (55, 159659), (79, 111155), (215, 40843), (235, 37367), (395, 22231), (473, 18565), (517, 16985), (869, 10105), (2021, 4345), (2365, 3713), (2585, 3397)]