81374552

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63179}}^1$

素因数の和:63215

約数の個数: 32

約数和(自身を含む): 181958400

約数和(自身を除く): 100583848

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 63179, 126358, 252716, 442253, 505432, 884506, 1453117, 1769012, 2906234, 3538024, 5812468, 10171819, 11624936, 20343638, 40687276, 81374552]

約数ペア:

[(1, 81374552), (2, 40687276), (4, 20343638), (7, 11624936), (8, 10171819), (14, 5812468), (23, 3538024), (28, 2906234), (46, 1769012), (56, 1453117), (92, 884506), (161, 505432), (184, 442253), (322, 252716), (644, 126358), (1288, 63179)]