260439431

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{2039}}^1$

素因数の和:2374

約数の個数: 16

約数和(自身を含む): 303160320

約数和(自身を除く): 42720889

約数列:

[1, 7, 71, 257, 497, 1799, 2039, 14273, 18247, 127729, 144769, 524023, 1013383, 3668161, 37205633, 260439431]

約数ペア:

[(1, 260439431), (7, 37205633), (71, 3668161), (257, 1013383), (497, 524023), (1799, 144769), (2039, 127729), (14273, 18247)]