389768704

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1951

約数の個数: 80

約数和(自身を含む): 866194560

約数和(自身を除く): 476425856

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, 1612, 1664, 1889, 1984, 3224, 3328, 3778, 3968, 6448, 6656, 7556, 7936, 12896, 15112, 15872, 24557, 25792, 30224, 49114, 51584, 58559, 60448, 98228, 103168, 117118, 120896, 196456, 206336, 234236, 241792, 392912, 468472, 483584, 761267, 785824, 936944, 967168, 1522534, 1571648, 1873888, 3045068, 3143296, 3747776, 6090136, 6286592, 7495552, 12180272, 12573184, 14991104, 24360544, 29982208, 48721088, 97442176, 194884352, 389768704]

約数ペア:

[(1, 389768704), (2, 194884352), (4, 97442176), (8, 48721088), (13, 29982208), (16, 24360544), (26, 14991104), (31, 12573184), (32, 12180272), (52, 7495552), (62, 6286592), (64, 6090136), (104, 3747776), (124, 3143296), (128, 3045068), (208, 1873888), (248, 1571648), (256, 1522534), (403, 967168), (416, 936944), (496, 785824), (512, 761267), (806, 483584), (832, 468472), (992, 392912), (1612, 241792), (1664, 234236), (1889, 206336), (1984, 196456), (3224, 120896), (3328, 117118), (3778, 103168), (3968, 98228), (6448, 60448), (6656, 58559), (7556, 51584), (7936, 49114), (12896, 30224), (15112, 25792), (15872, 24557)]