255370507

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6379}}^1$

素因数の和:6455

約数の個数: 24

約数和(自身を含む): 320020800

約数和(自身を除く): 64650293

約数列:

[1, 7, 19, 43, 49, 133, 301, 817, 931, 2107, 5719, 6379, 40033, 44653, 121201, 274297, 312571, 848407, 1920079, 5211643, 5938849, 13440553, 36481501, 255370507]

約数ペア:

[(1, 255370507), (7, 36481501), (19, 13440553), (43, 5938849), (49, 5211643), (133, 1920079), (301, 848407), (817, 312571), (931, 274297), (2107, 121201), (5719, 44653), (6379, 40033)]