997936

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 20

約数和(自身を含む): 1956472

約数和(自身を除く): 958536

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 643, 776, 1286, 1552, 2572, 5144, 10288, 62371, 124742, 249484, 498968, 997936]

約数ペア:

[(1, 997936), (2, 498968), (4, 249484), (8, 124742), (16, 62371), (97, 10288), (194, 5144), (388, 2572), (643, 1552), (776, 1286)]