128328508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21929}}^1$

素因数の和:21970

約数の個数: 48

約数和(自身を含む): 294739200

約数和(自身を除く): 166410692

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 21929, 43858, 87716, 153503, 241219, 307006, 416651, 482438, 614012, 833302, 964876, 1666604, 1688533, 2916557, 3377066, 4583161, 5833114, 6754132, 9166322, 11666228, 18332644, 32082127, 64164254, 128328508]

約数ペア:

[(1, 128328508), (2, 64164254), (4, 32082127), (7, 18332644), (11, 11666228), (14, 9166322), (19, 6754132), (22, 5833114), (28, 4583161), (38, 3377066), (44, 2916557), (76, 1688533), (77, 1666604), (133, 964876), (154, 833302), (209, 614012), (266, 482438), (308, 416651), (418, 307006), (532, 241219), (836, 153503), (1463, 87716), (2926, 43858), (5852, 21929)]