266990848

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2043

約数の個数: 72

約数和(自身を含む): 582785280

約数和(自身を除く): 315794432

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 992, 1054, 1088, 1979, 1984, 2108, 2176, 3958, 3968, 4216, 4352, 7916, 7936, 8432, 15832, 16864, 31664, 33643, 33728, 61349, 63328, 67286, 67456, 122698, 126656, 134572, 134912, 245396, 253312, 269144, 490792, 506624, 538288, 981584, 1042933, 1076576, 1963168, 2085866, 2153152, 3926336, 4171732, 4306304, 7852672, 8343464, 8612608, 15705344, 16686928, 33373856, 66747712, 133495424, 266990848]

約数ペア:

[(1, 266990848), (2, 133495424), (4, 66747712), (8, 33373856), (16, 16686928), (17, 15705344), (31, 8612608), (32, 8343464), (34, 7852672), (62, 4306304), (64, 4171732), (68, 3926336), (124, 2153152), (128, 2085866), (136, 1963168), (248, 1076576), (256, 1042933), (272, 981584), (496, 538288), (527, 506624), (544, 490792), (992, 269144), (1054, 253312), (1088, 245396), (1979, 134912), (1984, 134572), (2108, 126656), (2176, 122698), (3958, 67456), (3968, 67286), (4216, 63328), (4352, 61349), (7916, 33728), (7936, 33643), (8432, 31664), (15832, 16864)]