208408816

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 507467520

約数和(自身を除く): 299058704

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 139, 154, 176, 278, 308, 556, 616, 973, 1112, 1217, 1232, 1529, 1946, 2224, 2434, 3058, 3892, 4868, 6116, 7784, 8519, 9736, 10703, 12232, 13387, 15568, 17038, 19472, 21406, 24464, 26774, 34076, 42812, 53548, 68152, 85624, 93709, 107096, 136304, 169163, 171248, 187418, 214192, 338326, 374836, 676652, 749672, 1184141, 1353304, 1499344, 1860793, 2368282, 2706608, 3721586, 4736564, 7443172, 9473128, 13025551, 14886344, 18946256, 26051102, 29772688, 52102204, 104204408, 208408816]

約数ペア:

[(1, 208408816), (2, 104204408), (4, 52102204), (7, 29772688), (8, 26051102), (11, 18946256), (14, 14886344), (16, 13025551), (22, 9473128), (28, 7443172), (44, 4736564), (56, 3721586), (77, 2706608), (88, 2368282), (112, 1860793), (139, 1499344), (154, 1353304), (176, 1184141), (278, 749672), (308, 676652), (556, 374836), (616, 338326), (973, 214192), (1112, 187418), (1217, 171248), (1232, 169163), (1529, 136304), (1946, 107096), (2224, 93709), (2434, 85624), (3058, 68152), (3892, 53548), (4868, 42812), (6116, 34076), (7784, 26774), (8519, 24464), (9736, 21406), (10703, 19472), (12232, 17038), (13387, 15568)]