266992336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:980

約数の個数: 80

約数和(自身を含む): 587962368

約数和(自身を除く): 320970032

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 47, 52, 62, 94, 104, 124, 188, 208, 248, 376, 403, 496, 611, 752, 806, 881, 1222, 1457, 1612, 1762, 2444, 2914, 3224, 3524, 4888, 5828, 6448, 7048, 9776, 11453, 11656, 14096, 18941, 22906, 23312, 27311, 37882, 41407, 45812, 54622, 75764, 82814, 91624, 109244, 151528, 165628, 183248, 218488, 303056, 331256, 355043, 436976, 538291, 662512, 710086, 1076582, 1283617, 1420172, 2153164, 2567234, 2840344, 4306328, 5134468, 5680688, 8612656, 10268936, 16687021, 20537872, 33374042, 66748084, 133496168, 266992336]

約数ペア:

[(1, 266992336), (2, 133496168), (4, 66748084), (8, 33374042), (13, 20537872), (16, 16687021), (26, 10268936), (31, 8612656), (47, 5680688), (52, 5134468), (62, 4306328), (94, 2840344), (104, 2567234), (124, 2153164), (188, 1420172), (208, 1283617), (248, 1076582), (376, 710086), (403, 662512), (496, 538291), (611, 436976), (752, 355043), (806, 331256), (881, 303056), (1222, 218488), (1457, 183248), (1612, 165628), (1762, 151528), (2444, 109244), (2914, 91624), (3224, 82814), (3524, 75764), (4888, 54622), (5828, 45812), (6448, 41407), (7048, 37882), (9776, 27311), (11453, 23312), (11656, 22906), (14096, 18941)]