209976998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 413157888

約数和(自身を除く): 203180890

約数列:

[1, 2, 7, 11, 14, 22, 37, 43, 74, 77, 86, 154, 259, 301, 407, 473, 518, 602, 814, 857, 946, 1591, 1714, 2849, 3182, 3311, 5698, 5999, 6622, 9427, 11137, 11998, 17501, 18854, 22274, 31709, 35002, 36851, 63418, 65989, 73702, 122507, 131978, 221963, 245014, 257957, 348799, 405361, 443926, 515914, 697598, 810722, 1363487, 2441593, 2726974, 2837527, 4883186, 5675054, 9544409, 14998357, 19088818, 29996714, 104988499, 209976998]

約数ペア:

[(1, 209976998), (2, 104988499), (7, 29996714), (11, 19088818), (14, 14998357), (22, 9544409), (37, 5675054), (43, 4883186), (74, 2837527), (77, 2726974), (86, 2441593), (154, 1363487), (259, 810722), (301, 697598), (407, 515914), (473, 443926), (518, 405361), (602, 348799), (814, 257957), (857, 245014), (946, 221963), (1591, 131978), (1714, 122507), (2849, 73702), (3182, 65989), (3311, 63418), (5698, 36851), (5999, 35002), (6622, 31709), (9427, 22274), (11137, 18854), (11998, 17501)]