256950004

素因数分解:

$2^2\times {\mathrm{331}}^1\times {\mathrm{194071}}^1$

素因数の和:194406

約数の個数: 12

約数和(自身を含む): 451023328

約数和(自身を除く): 194073324

約数列:

[1, 2, 4, 331, 662, 1324, 194071, 388142, 776284, 64237501, 128475002, 256950004]

約数ペア:

[(1, 256950004), (2, 128475002), (4, 64237501), (331, 776284), (662, 388142), (1324, 194071)]