65685776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 144657408

約数和(自身を除く): 78971632

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 61, 62, 104, 122, 124, 167, 208, 244, 248, 334, 403, 488, 496, 668, 793, 806, 976, 1336, 1586, 1612, 1891, 2171, 2672, 3172, 3224, 3782, 4342, 5177, 6344, 6448, 7564, 8684, 10187, 10354, 12688, 15128, 17368, 20374, 20708, 24583, 30256, 34736, 40748, 41416, 49166, 67301, 81496, 82832, 98332, 132431, 134602, 162992, 196664, 264862, 269204, 315797, 393328, 529724, 538408, 631594, 1059448, 1076816, 1263188, 2118896, 2526376, 4105361, 5052752, 8210722, 16421444, 32842888, 65685776]

約数ペア:

[(1, 65685776), (2, 32842888), (4, 16421444), (8, 8210722), (13, 5052752), (16, 4105361), (26, 2526376), (31, 2118896), (52, 1263188), (61, 1076816), (62, 1059448), (104, 631594), (122, 538408), (124, 529724), (167, 393328), (208, 315797), (244, 269204), (248, 264862), (334, 196664), (403, 162992), (488, 134602), (496, 132431), (668, 98332), (793, 82832), (806, 81496), (976, 67301), (1336, 49166), (1586, 41416), (1612, 40748), (1891, 34736), (2171, 30256), (2672, 24583), (3172, 20708), (3224, 20374), (3782, 17368), (4342, 15128), (5177, 12688), (6344, 10354), (6448, 10187), (7564, 8684)]