2018718128

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{129671}}^1$

素因数の和:129825

約数の個数: 40

約数和(自身を含む): 4502211840

約数和(自身を除く): 2483493712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 7784, 15568, 129671, 259342, 518684, 907697, 1037368, 1815394, 2074736, 3630788, 7261576, 14523152, 18024269, 36048538, 72097076, 126169883, 144194152, 252339766, 288388304, 504679532, 1009359064, 2018718128]

約数ペア:

[(1, 2018718128), (2, 1009359064), (4, 504679532), (7, 288388304), (8, 252339766), (14, 144194152), (16, 126169883), (28, 72097076), (56, 36048538), (112, 18024269), (139, 14523152), (278, 7261576), (556, 3630788), (973, 2074736), (1112, 1815394), (1946, 1037368), (2224, 907697), (3892, 518684), (7784, 259342), (15568, 129671)]