551009128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{1291}}^1\times {\mathrm{1721}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 1067915520

約数和(自身を除く): 516906392

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 1291, 1721, 2582, 3442, 5164, 6884, 10328, 13768, 40021, 53351, 80042, 106702, 160084, 213404, 320168, 426808, 2221811, 4443622, 8887244, 17774488, 68876141, 137752282, 275504564, 551009128]

約数ペア:

[(1, 551009128), (2, 275504564), (4, 137752282), (8, 68876141), (31, 17774488), (62, 8887244), (124, 4443622), (248, 2221811), (1291, 426808), (1721, 320168), (2582, 213404), (3442, 160084), (5164, 106702), (6884, 80042), (10328, 53351), (13768, 40021)]