254939568

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21503}}^1$

素因数の和:21546

約数の個数: 80

約数和(自身を含む): 746618880

約数和(自身を除く): 491679312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1976, 2964, 3952, 5928, 11856, 21503, 43006, 64509, 86012, 129018, 172024, 258036, 279539, 344048, 408557, 516072, 559078, 817114, 838617, 1032144, 1118156, 1225671, 1634228, 1677234, 2236312, 2451342, 3268456, 3354468, 4472624, 4902684, 5311241, 6536912, 6708936, 9805368, 10622482, 13417872, 15933723, 19610736, 21244964, 31867446, 42489928, 63734892, 84979856, 127469784, 254939568]

約数ペア:

[(1, 254939568), (2, 127469784), (3, 84979856), (4, 63734892), (6, 42489928), (8, 31867446), (12, 21244964), (13, 19610736), (16, 15933723), (19, 13417872), (24, 10622482), (26, 9805368), (38, 6708936), (39, 6536912), (48, 5311241), (52, 4902684), (57, 4472624), (76, 3354468), (78, 3268456), (104, 2451342), (114, 2236312), (152, 1677234), (156, 1634228), (208, 1225671), (228, 1118156), (247, 1032144), (304, 838617), (312, 817114), (456, 559078), (494, 516072), (624, 408557), (741, 344048), (912, 279539), (988, 258036), (1482, 172024), (1976, 129018), (2964, 86012), (3952, 64509), (5928, 43006), (11856, 21503)]