28931672

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 68739840

約数和(自身を除く): 39808168

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 67, 77, 88, 134, 154, 268, 308, 469, 536, 616, 701, 737, 938, 1402, 1474, 1876, 2804, 2948, 3752, 4907, 5159, 5608, 5896, 7711, 9814, 10318, 15422, 19628, 20636, 30844, 39256, 41272, 46967, 53977, 61688, 93934, 107954, 187868, 215908, 328769, 375736, 431816, 516637, 657538, 1033274, 1315076, 2066548, 2630152, 3616459, 4133096, 7232918, 14465836, 28931672]

約数ペア:

[(1, 28931672), (2, 14465836), (4, 7232918), (7, 4133096), (8, 3616459), (11, 2630152), (14, 2066548), (22, 1315076), (28, 1033274), (44, 657538), (56, 516637), (67, 431816), (77, 375736), (88, 328769), (134, 215908), (154, 187868), (268, 107954), (308, 93934), (469, 61688), (536, 53977), (616, 46967), (701, 41272), (737, 39256), (938, 30844), (1402, 20636), (1474, 19628), (1876, 15422), (2804, 10318), (2948, 9814), (3752, 7711), (4907, 5896), (5159, 5608)]