81207616

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1663}}^1$

素因数の和:1791

約数の個数: 56

約数和(自身を含む): 185968640

約数和(自身を除く): 104761024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 436, 448, 763, 872, 1526, 1663, 1744, 3052, 3326, 3488, 6104, 6652, 6976, 11641, 12208, 13304, 23282, 24416, 26608, 46564, 48832, 53216, 93128, 106432, 181267, 186256, 362534, 372512, 725068, 745024, 1268869, 1450136, 2537738, 2900272, 5075476, 5800544, 10150952, 11601088, 20301904, 40603808, 81207616]

約数ペア:

[(1, 81207616), (2, 40603808), (4, 20301904), (7, 11601088), (8, 10150952), (14, 5800544), (16, 5075476), (28, 2900272), (32, 2537738), (56, 1450136), (64, 1268869), (109, 745024), (112, 725068), (218, 372512), (224, 362534), (436, 186256), (448, 181267), (763, 106432), (872, 93128), (1526, 53216), (1663, 48832), (1744, 46564), (3052, 26608), (3326, 24416), (3488, 23282), (6104, 13304), (6652, 12208), (6976, 11641)]