206911369

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 256828320

約数和(自身を除く): 49916951

約数列:

[1, 7, 17, 49, 119, 139, 833, 973, 1787, 2363, 6811, 12509, 16541, 30379, 87563, 115787, 212653, 248393, 1488571, 1738751, 4222681, 12171257, 29558767, 206911369]

約数ペア:

[(1, 206911369), (7, 29558767), (17, 12171257), (49, 4222681), (119, 1738751), (139, 1488571), (833, 248393), (973, 212653), (1787, 115787), (2363, 87563), (6811, 30379), (12509, 16541)]