78484406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 81182794

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 197, 199, 286, 394, 398, 1001, 1379, 1393, 2002, 2167, 2189, 2561, 2587, 2758, 2786, 4334, 4378, 5122, 5174, 15169, 15323, 17927, 18109, 28171, 28457, 30338, 30646, 35854, 36218, 39203, 56342, 56914, 78406, 197197, 199199, 274421, 394394, 398398, 431233, 509639, 548842, 862466, 1019278, 3018631, 3567473, 5606029, 6037262, 7134946, 11212058, 39242203, 78484406]

約数ペア:

[(1, 78484406), (2, 39242203), (7, 11212058), (11, 7134946), (13, 6037262), (14, 5606029), (22, 3567473), (26, 3018631), (77, 1019278), (91, 862466), (143, 548842), (154, 509639), (182, 431233), (197, 398398), (199, 394394), (286, 274421), (394, 199199), (398, 197197), (1001, 78406), (1379, 56914), (1393, 56342), (2002, 39203), (2167, 36218), (2189, 35854), (2561, 30646), (2587, 30338), (2758, 28457), (2786, 28171), (4334, 18109), (4378, 17927), (5122, 15323), (5174, 15169)]