258467984

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:767

約数の個数: 40

約数和(自身を含む): 506753280

約数和(自身を除く): 248285296

約数列:

[1, 2, 4, 8, 16, 239, 257, 263, 478, 514, 526, 956, 1028, 1052, 1912, 2056, 2104, 3824, 4112, 4208, 61423, 62857, 67591, 122846, 125714, 135182, 245692, 251428, 270364, 491384, 502856, 540728, 982768, 1005712, 1081456, 16154249, 32308498, 64616996, 129233992, 258467984]

約数ペア:

[(1, 258467984), (2, 129233992), (4, 64616996), (8, 32308498), (16, 16154249), (239, 1081456), (257, 1005712), (263, 982768), (478, 540728), (514, 502856), (526, 491384), (956, 270364), (1028, 251428), (1052, 245692), (1912, 135182), (2056, 125714), (2104, 122846), (3824, 67591), (4112, 62857), (4208, 61423)]