81842488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 201146400

約数和(自身を除く): 119303912

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 289, 364, 389, 442, 476, 578, 728, 778, 884, 952, 1156, 1547, 1556, 1768, 2023, 2312, 2723, 3094, 3112, 3757, 4046, 5057, 5446, 6188, 6613, 7514, 8092, 10114, 10892, 12376, 13226, 15028, 16184, 20228, 21784, 26299, 26452, 30056, 35399, 40456, 46291, 52598, 52904, 70798, 85969, 92582, 105196, 112421, 141596, 171938, 185164, 210392, 224842, 283192, 343876, 370328, 449684, 601783, 687752, 786947, 899368, 1203566, 1461473, 1573894, 2407132, 2922946, 3147788, 4814264, 5845892, 6295576, 10230311, 11691784, 20460622, 40921244, 81842488]

約数ペア:

[(1, 81842488), (2, 40921244), (4, 20460622), (7, 11691784), (8, 10230311), (13, 6295576), (14, 5845892), (17, 4814264), (26, 3147788), (28, 2922946), (34, 2407132), (52, 1573894), (56, 1461473), (68, 1203566), (91, 899368), (104, 786947), (119, 687752), (136, 601783), (182, 449684), (221, 370328), (238, 343876), (289, 283192), (364, 224842), (389, 210392), (442, 185164), (476, 171938), (578, 141596), (728, 112421), (778, 105196), (884, 92582), (952, 85969), (1156, 70798), (1547, 52904), (1556, 52598), (1768, 46291), (2023, 40456), (2312, 35399), (2723, 30056), (3094, 26452), (3112, 26299), (3757, 21784), (4046, 20228), (5057, 16184), (5446, 15028), (6188, 13226), (6613, 12376), (7514, 10892), (8092, 10114)]