66671968

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 72

約数和(自身を含む): 147001176

約数和(自身を除く): 80329208

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 67, 88, 121, 134, 176, 242, 257, 268, 352, 484, 514, 536, 737, 968, 1028, 1072, 1474, 1936, 2056, 2144, 2827, 2948, 3872, 4112, 5654, 5896, 8107, 8224, 11308, 11792, 16214, 17219, 22616, 23584, 31097, 32428, 34438, 45232, 62194, 64856, 68876, 90464, 124388, 129712, 137752, 189409, 248776, 259424, 275504, 378818, 497552, 551008, 757636, 995104, 1515272, 2083499, 3030544, 4166998, 6061088, 8333996, 16667992, 33335984, 66671968]

約数ペア:

[(1, 66671968), (2, 33335984), (4, 16667992), (8, 8333996), (11, 6061088), (16, 4166998), (22, 3030544), (32, 2083499), (44, 1515272), (67, 995104), (88, 757636), (121, 551008), (134, 497552), (176, 378818), (242, 275504), (257, 259424), (268, 248776), (352, 189409), (484, 137752), (514, 129712), (536, 124388), (737, 90464), (968, 68876), (1028, 64856), (1072, 62194), (1474, 45232), (1936, 34438), (2056, 32428), (2144, 31097), (2827, 23584), (2948, 22616), (3872, 17219), (4112, 16214), (5654, 11792), (5896, 11308), (8107, 8224)]