207965996

素因数分解:

$2^2\times 7^2\times {\mathrm{491}}^1\times {\mathrm{2161}}^1$

素因数の和:2670

約数の個数: 36

約数和(自身を含む): 424417896

約数和(自身を除く): 216451900

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 491, 982, 1964, 2161, 3437, 4322, 6874, 8644, 13748, 15127, 24059, 30254, 48118, 60508, 96236, 105889, 211778, 423556, 1061051, 2122102, 4244204, 7427357, 14854714, 29709428, 51991499, 103982998, 207965996]

約数ペア:

[(1, 207965996), (2, 103982998), (4, 51991499), (7, 29709428), (14, 14854714), (28, 7427357), (49, 4244204), (98, 2122102), (196, 1061051), (491, 423556), (982, 211778), (1964, 105889), (2161, 96236), (3437, 60508), (4322, 48118), (6874, 30254), (8644, 24059), (13748, 15127)]