258396992

素因数分解:

$2^6\times 7^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 112

約数和(自身を含む): 609600000

約数和(自身を除く): 351203008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 79, 98, 112, 149, 158, 196, 224, 298, 316, 343, 392, 448, 553, 596, 632, 686, 784, 1043, 1106, 1192, 1264, 1372, 1568, 2086, 2212, 2384, 2528, 2744, 3136, 3871, 4172, 4424, 4768, 5056, 5488, 7301, 7742, 8344, 8848, 9536, 10976, 11771, 14602, 15484, 16688, 17696, 21952, 23542, 27097, 29204, 30968, 33376, 35392, 47084, 51107, 54194, 58408, 61936, 66752, 82397, 94168, 102214, 108388, 116816, 123872, 164794, 188336, 204428, 216776, 233632, 247744, 329588, 376672, 408856, 433552, 467264, 576779, 659176, 753344, 817712, 867104, 1153558, 1318352, 1635424, 1734208, 2307116, 2636704, 3270848, 4037453, 4614232, 5273408, 8074906, 9228464, 16149812, 18456928, 32299624, 36913856, 64599248, 129198496, 258396992]

約数ペア:

[(1, 258396992), (2, 129198496), (4, 64599248), (7, 36913856), (8, 32299624), (14, 18456928), (16, 16149812), (28, 9228464), (32, 8074906), (49, 5273408), (56, 4614232), (64, 4037453), (79, 3270848), (98, 2636704), (112, 2307116), (149, 1734208), (158, 1635424), (196, 1318352), (224, 1153558), (298, 867104), (316, 817712), (343, 753344), (392, 659176), (448, 576779), (553, 467264), (596, 433552), (632, 408856), (686, 376672), (784, 329588), (1043, 247744), (1106, 233632), (1192, 216776), (1264, 204428), (1372, 188336), (1568, 164794), (2086, 123872), (2212, 116816), (2384, 108388), (2528, 102214), (2744, 94168), (3136, 82397), (3871, 66752), (4172, 61936), (4424, 58408), (4768, 54194), (5056, 51107), (5488, 47084), (7301, 35392), (7742, 33376), (8344, 30968), (8848, 29204), (9536, 27097), (10976, 23542), (11771, 21952), (14602, 17696), (15484, 16688)]