81214728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2531}}^1$

素因数の和:2738

約数の個数: 64

約数和(自身を含む): 233349120

約数和(自身を除く): 152134392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 191, 382, 573, 764, 1146, 1337, 1528, 2292, 2531, 2674, 4011, 4584, 5062, 5348, 7593, 8022, 10124, 10696, 15186, 16044, 17717, 20248, 30372, 32088, 35434, 53151, 60744, 70868, 106302, 141736, 212604, 425208, 483421, 966842, 1450263, 1933684, 2900526, 3383947, 3867368, 5801052, 6767894, 10151841, 11602104, 13535788, 20303682, 27071576, 40607364, 81214728]

約数ペア:

[(1, 81214728), (2, 40607364), (3, 27071576), (4, 20303682), (6, 13535788), (7, 11602104), (8, 10151841), (12, 6767894), (14, 5801052), (21, 3867368), (24, 3383947), (28, 2900526), (42, 1933684), (56, 1450263), (84, 966842), (168, 483421), (191, 425208), (382, 212604), (573, 141736), (764, 106302), (1146, 70868), (1337, 60744), (1528, 53151), (2292, 35434), (2531, 32088), (2674, 30372), (4011, 20248), (4584, 17717), (5062, 16044), (5348, 15186), (7593, 10696), (8022, 10124)]