290727424

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1471

約数の個数: 80

約数和(自身を含む): 646208640

約数和(自身を除く): 355481216

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1409, 1612, 1664, 1984, 2818, 3224, 3328, 3968, 5636, 6448, 6656, 7936, 11272, 12896, 15872, 18317, 22544, 25792, 36634, 43679, 45088, 51584, 73268, 87358, 90176, 103168, 146536, 174716, 180352, 206336, 293072, 349432, 360704, 567827, 586144, 698864, 721408, 1135654, 1172288, 1397728, 2271308, 2344576, 2795456, 4542616, 4689152, 5590912, 9085232, 9378304, 11181824, 18170464, 22363648, 36340928, 72681856, 145363712, 290727424]

約数ペア:

[(1, 290727424), (2, 145363712), (4, 72681856), (8, 36340928), (13, 22363648), (16, 18170464), (26, 11181824), (31, 9378304), (32, 9085232), (52, 5590912), (62, 4689152), (64, 4542616), (104, 2795456), (124, 2344576), (128, 2271308), (208, 1397728), (248, 1172288), (256, 1135654), (403, 721408), (416, 698864), (496, 586144), (512, 567827), (806, 360704), (832, 349432), (992, 293072), (1409, 206336), (1612, 180352), (1664, 174716), (1984, 146536), (2818, 103168), (3224, 90176), (3328, 87358), (3968, 73268), (5636, 51584), (6448, 45088), (6656, 43679), (7936, 36634), (11272, 25792), (12896, 22544), (15872, 18317)]