257615136

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{21817}}^1$

素因数の和:21874

約数の個数: 72

約数和(自身を含む): 750495564

約数和(自身を除く): 492880428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1968, 2952, 3936, 5904, 11808, 21817, 43634, 65451, 87268, 130902, 174536, 196353, 261804, 349072, 392706, 523608, 698144, 785412, 894497, 1047216, 1570824, 1788994, 2094432, 2683491, 3141648, 3577988, 5366982, 6283296, 7155976, 8050473, 10733964, 14311952, 16100946, 21467928, 28623904, 32201892, 42935856, 64403784, 85871712, 128807568, 257615136]

約数ペア:

[(1, 257615136), (2, 128807568), (3, 85871712), (4, 64403784), (6, 42935856), (8, 32201892), (9, 28623904), (12, 21467928), (16, 16100946), (18, 14311952), (24, 10733964), (32, 8050473), (36, 7155976), (41, 6283296), (48, 5366982), (72, 3577988), (82, 3141648), (96, 2683491), (123, 2094432), (144, 1788994), (164, 1570824), (246, 1047216), (288, 894497), (328, 785412), (369, 698144), (492, 523608), (656, 392706), (738, 349072), (984, 261804), (1312, 196353), (1476, 174536), (1968, 130902), (2952, 87268), (3936, 65451), (5904, 43634), (11808, 21817)]