254666984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 596090880

約数和(自身を除く): 341423896

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 43, 44, 52, 62, 86, 88, 104, 124, 143, 167, 172, 248, 286, 334, 341, 344, 403, 473, 559, 572, 668, 682, 806, 946, 1118, 1144, 1333, 1336, 1364, 1612, 1837, 1892, 2171, 2236, 2666, 2728, 3224, 3674, 3784, 4342, 4433, 4472, 5177, 5332, 6149, 7181, 7348, 8684, 8866, 10354, 10664, 12298, 14362, 14663, 14696, 17329, 17368, 17732, 20708, 23881, 24596, 28724, 29326, 34658, 35464, 41416, 47762, 49192, 56947, 57448, 58652, 67301, 69316, 78991, 93353, 95524, 113894, 117304, 134602, 138632, 157982, 186706, 190619, 191048, 222611, 227788, 269204, 315964, 373412, 381238, 445222, 455576, 538408, 631928, 740311, 746824, 762476, 890444, 1026883, 1480622, 1524952, 1780888, 2053766, 2448721, 2893943, 2961244, 4107532, 4897442, 5787886, 5922488, 8215064, 9794884, 11575772, 19589768, 23151544, 31833373, 63666746, 127333492, 254666984]

約数ペア:

[(1, 254666984), (2, 127333492), (4, 63666746), (8, 31833373), (11, 23151544), (13, 19589768), (22, 11575772), (26, 9794884), (31, 8215064), (43, 5922488), (44, 5787886), (52, 4897442), (62, 4107532), (86, 2961244), (88, 2893943), (104, 2448721), (124, 2053766), (143, 1780888), (167, 1524952), (172, 1480622), (248, 1026883), (286, 890444), (334, 762476), (341, 746824), (344, 740311), (403, 631928), (473, 538408), (559, 455576), (572, 445222), (668, 381238), (682, 373412), (806, 315964), (946, 269204), (1118, 227788), (1144, 222611), (1333, 191048), (1336, 190619), (1364, 186706), (1612, 157982), (1837, 138632), (1892, 134602), (2171, 117304), (2236, 113894), (2666, 95524), (2728, 93353), (3224, 78991), (3674, 69316), (3784, 67301), (4342, 58652), (4433, 57448), (4472, 56947), (5177, 49192), (5332, 47762), (6149, 41416), (7181, 35464), (7348, 34658), (8684, 29326), (8866, 28724), (10354, 24596), (10664, 23881), (12298, 20708), (14362, 17732), (14663, 17368), (14696, 17329)]