81111856

素因数分解:

$2^4\times 7^2\times {\mathrm{307}}^1\times {\mathrm{337}}^1$

素因数の和:666

約数の個数: 60

約数和(自身を含む): 183951768

約数和(自身を除く): 102839912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 307, 337, 392, 614, 674, 784, 1228, 1348, 2149, 2359, 2456, 2696, 4298, 4718, 4912, 5392, 8596, 9436, 15043, 16513, 17192, 18872, 30086, 33026, 34384, 37744, 60172, 66052, 103459, 120344, 132104, 206918, 240688, 264208, 413836, 724213, 827672, 1448426, 1655344, 2896852, 5069491, 5793704, 10138982, 11587408, 20277964, 40555928, 81111856]

約数ペア:

[(1, 81111856), (2, 40555928), (4, 20277964), (7, 11587408), (8, 10138982), (14, 5793704), (16, 5069491), (28, 2896852), (49, 1655344), (56, 1448426), (98, 827672), (112, 724213), (196, 413836), (307, 264208), (337, 240688), (392, 206918), (614, 132104), (674, 120344), (784, 103459), (1228, 66052), (1348, 60172), (2149, 37744), (2359, 34384), (2456, 33026), (2696, 30086), (4298, 18872), (4718, 17192), (4912, 16513), (5392, 15043), (8596, 9436)]