991889398

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{3739}}^1$

素因数の和:3916

約数の個数: 32

約数和(自身を含む): 1594137600

約数和(自身を除く): 602248202

約数列:

[1, 2, 23, 46, 73, 79, 146, 158, 1679, 1817, 3358, 3634, 3739, 5767, 7478, 11534, 85997, 132641, 171994, 265282, 272947, 295381, 545894, 590762, 6277781, 6793763, 12555562, 13587526, 21562813, 43125626, 495944699, 991889398]

約数ペア:

[(1, 991889398), (2, 495944699), (23, 43125626), (46, 21562813), (73, 13587526), (79, 12555562), (146, 6793763), (158, 6277781), (1679, 590762), (1817, 545894), (3358, 295381), (3634, 272947), (3739, 265282), (5767, 171994), (7478, 132641), (11534, 85997)]