66639584

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 148640184

約数和(自身を除く): 82000600

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 197, 248, 341, 352, 394, 496, 682, 788, 961, 992, 1364, 1576, 1922, 2167, 2728, 3152, 3844, 4334, 5456, 6107, 6304, 7688, 8668, 10571, 10912, 12214, 15376, 17336, 21142, 24428, 30752, 34672, 42284, 48856, 67177, 69344, 84568, 97712, 134354, 169136, 189317, 195424, 268708, 338272, 378634, 537416, 757268, 1074832, 1514536, 2082487, 2149664, 3029072, 4164974, 6058144, 8329948, 16659896, 33319792, 66639584]

約数ペア:

[(1, 66639584), (2, 33319792), (4, 16659896), (8, 8329948), (11, 6058144), (16, 4164974), (22, 3029072), (31, 2149664), (32, 2082487), (44, 1514536), (62, 1074832), (88, 757268), (124, 537416), (176, 378634), (197, 338272), (248, 268708), (341, 195424), (352, 189317), (394, 169136), (496, 134354), (682, 97712), (788, 84568), (961, 69344), (992, 67177), (1364, 48856), (1576, 42284), (1922, 34672), (2167, 30752), (2728, 24428), (3152, 21142), (3844, 17336), (4334, 15376), (5456, 12214), (6107, 10912), (6304, 10571), (7688, 8668)]