191589424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 422861824

約数和(自身を除く): 231272400

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 124, 172, 208, 248, 344, 403, 496, 559, 688, 691, 806, 1118, 1333, 1382, 1612, 2236, 2666, 2764, 3224, 4472, 5332, 5528, 6448, 8944, 8983, 10664, 11056, 17329, 17966, 21328, 21421, 29713, 34658, 35932, 42842, 59426, 69316, 71864, 85684, 118852, 138632, 143728, 171368, 237704, 277264, 278473, 342736, 386269, 475408, 556946, 772538, 921103, 1113892, 1545076, 1842206, 2227784, 3090152, 3684412, 4455568, 6180304, 7368824, 11974339, 14737648, 23948678, 47897356, 95794712, 191589424]

約数ペア:

[(1, 191589424), (2, 95794712), (4, 47897356), (8, 23948678), (13, 14737648), (16, 11974339), (26, 7368824), (31, 6180304), (43, 4455568), (52, 3684412), (62, 3090152), (86, 2227784), (104, 1842206), (124, 1545076), (172, 1113892), (208, 921103), (248, 772538), (344, 556946), (403, 475408), (496, 386269), (559, 342736), (688, 278473), (691, 277264), (806, 237704), (1118, 171368), (1333, 143728), (1382, 138632), (1612, 118852), (2236, 85684), (2666, 71864), (2764, 69316), (3224, 59426), (4472, 42842), (5332, 35932), (5528, 34658), (6448, 29713), (8944, 21421), (8983, 21328), (10664, 17966), (11056, 17329)]