90007256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 186278400

約数和(自身を除く): 96271144

約数列:

[1, 2, 4, 8, 19, 38, 43, 47, 76, 86, 94, 152, 172, 188, 293, 344, 376, 586, 817, 893, 1172, 1634, 1786, 2021, 2344, 3268, 3572, 4042, 5567, 6536, 7144, 8084, 11134, 12599, 13771, 16168, 22268, 25198, 27542, 38399, 44536, 50396, 55084, 76798, 100792, 110168, 153596, 239381, 261649, 307192, 478762, 523298, 592153, 957524, 1046596, 1184306, 1915048, 2093192, 2368612, 4737224, 11250907, 22501814, 45003628, 90007256]

約数ペア:

[(1, 90007256), (2, 45003628), (4, 22501814), (8, 11250907), (19, 4737224), (38, 2368612), (43, 2093192), (47, 1915048), (76, 1184306), (86, 1046596), (94, 957524), (152, 592153), (172, 523298), (188, 478762), (293, 307192), (344, 261649), (376, 239381), (586, 153596), (817, 110168), (893, 100792), (1172, 76798), (1634, 55084), (1786, 50396), (2021, 44536), (2344, 38399), (3268, 27542), (3572, 25198), (4042, 22268), (5567, 16168), (6536, 13771), (7144, 12599), (8084, 11134)]