208852208

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:151

約数の個数: 90

約数和(自身を含む): 453618288

約数和(自身を除く): 244766080

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 47, 62, 68, 94, 124, 136, 188, 248, 272, 289, 376, 496, 527, 578, 752, 799, 961, 1054, 1156, 1457, 1598, 1922, 2108, 2312, 2914, 3196, 3844, 4216, 4624, 5828, 6392, 7688, 8432, 8959, 11656, 12784, 13583, 15376, 16337, 17918, 23312, 24769, 27166, 32674, 35836, 45167, 49538, 54332, 65348, 71672, 90334, 99076, 108664, 130696, 143344, 180668, 198152, 217328, 261392, 277729, 361336, 396304, 421073, 555458, 722672, 767839, 842146, 1110916, 1535678, 1684292, 2221832, 3071356, 3368584, 4443664, 6142712, 6737168, 12285424, 13053263, 26106526, 52213052, 104426104, 208852208]

約数ペア:

[(1, 208852208), (2, 104426104), (4, 52213052), (8, 26106526), (16, 13053263), (17, 12285424), (31, 6737168), (34, 6142712), (47, 4443664), (62, 3368584), (68, 3071356), (94, 2221832), (124, 1684292), (136, 1535678), (188, 1110916), (248, 842146), (272, 767839), (289, 722672), (376, 555458), (496, 421073), (527, 396304), (578, 361336), (752, 277729), (799, 261392), (961, 217328), (1054, 198152), (1156, 180668), (1457, 143344), (1598, 130696), (1922, 108664), (2108, 99076), (2312, 90334), (2914, 71672), (3196, 65348), (3844, 54332), (4216, 49538), (4624, 45167), (5828, 35836), (6392, 32674), (7688, 27166), (8432, 24769), (8959, 23312), (11656, 17918), (12784, 16337), (13583, 15376)]