257261904

素因数分解:

$2^4\times 3^2\times {\mathrm{1786541}}^1$

素因数の和:1786555

約数の個数: 30

約数和(自身を含む): 719976426

約数和(自身を除く): 462714522

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1786541, 3573082, 5359623, 7146164, 10719246, 14292328, 16078869, 21438492, 28584656, 32157738, 42876984, 64315476, 85753968, 128630952, 257261904]

約数ペア:

[(1, 257261904), (2, 128630952), (3, 85753968), (4, 64315476), (6, 42876984), (8, 32157738), (9, 28584656), (12, 21438492), (16, 16078869), (18, 14292328), (24, 10719246), (36, 7146164), (48, 5359623), (72, 3573082), (144, 1786541)]