26991305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 38845440

約数和(自身を除く): 11854135

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 1045, 1123, 1265, 2185, 4807, 5615, 12353, 21337, 24035, 25829, 61765, 106685, 129145, 234707, 284119, 490751, 1173535, 1420595, 2453755, 5398261, 26991305]

約数ペア:

[(1, 26991305), (5, 5398261), (11, 2453755), (19, 1420595), (23, 1173535), (55, 490751), (95, 284119), (115, 234707), (209, 129145), (253, 106685), (437, 61765), (1045, 25829), (1123, 24035), (1265, 21337), (2185, 12353), (4807, 5615)]