1318280704

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6389}}^1$

素因数の和:6451

約数の個数: 80

約数和(自身を含む): 2928562560

約数和(自身を除く): 1610281856

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, 1984, 3224, 3328, 3968, 6389, 6448, 6656, 7936, 12778, 12896, 15872, 25556, 25792, 51112, 51584, 83057, 102224, 103168, 166114, 198059, 204448, 206336, 332228, 396118, 408896, 664456, 792236, 817792, 1328912, 1584472, 1635584, 2574767, 2657824, 3168944, 3271168, 5149534, 5315648, 6337888, 10299068, 10631296, 12675776, 20598136, 21262592, 25351552, 41196272, 42525184, 50703104, 82392544, 101406208, 164785088, 329570176, 659140352, 1318280704]

約数ペア:

[(1, 1318280704), (2, 659140352), (4, 329570176), (8, 164785088), (13, 101406208), (16, 82392544), (26, 50703104), (31, 42525184), (32, 41196272), (52, 25351552), (62, 21262592), (64, 20598136), (104, 12675776), (124, 10631296), (128, 10299068), (208, 6337888), (248, 5315648), (256, 5149534), (403, 3271168), (416, 3168944), (496, 2657824), (512, 2574767), (806, 1635584), (832, 1584472), (992, 1328912), (1612, 817792), (1664, 792236), (1984, 664456), (3224, 408896), (3328, 396118), (3968, 332228), (6389, 206336), (6448, 204448), (6656, 198059), (7936, 166114), (12778, 103168), (12896, 102224), (15872, 83057), (25556, 51584), (25792, 51112)]