81775344

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{947}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 242627328

約数和(自身を除く): 160851984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 257, 336, 514, 771, 947, 1028, 1542, 1799, 1894, 2056, 2841, 3084, 3598, 3788, 4112, 5397, 5682, 6168, 6629, 7196, 7576, 10794, 11364, 12336, 13258, 14392, 15152, 19887, 21588, 22728, 26516, 28784, 39774, 43176, 45456, 53032, 79548, 86352, 106064, 159096, 243379, 318192, 486758, 730137, 973516, 1460274, 1703653, 1947032, 2920548, 3407306, 3894064, 5110959, 5841096, 6814612, 10221918, 11682192, 13629224, 20443836, 27258448, 40887672, 81775344]

約数ペア:

[(1, 81775344), (2, 40887672), (3, 27258448), (4, 20443836), (6, 13629224), (7, 11682192), (8, 10221918), (12, 6814612), (14, 5841096), (16, 5110959), (21, 3894064), (24, 3407306), (28, 2920548), (42, 1947032), (48, 1703653), (56, 1460274), (84, 973516), (112, 730137), (168, 486758), (257, 318192), (336, 243379), (514, 159096), (771, 106064), (947, 86352), (1028, 79548), (1542, 53032), (1799, 45456), (1894, 43176), (2056, 39774), (2841, 28784), (3084, 26516), (3598, 22728), (3788, 21588), (4112, 19887), (5397, 15152), (5682, 14392), (6168, 13258), (6629, 12336), (7196, 11364), (7576, 10794)]