12490457

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 14712192

約数和(自身を除く): 2221735

約数列:

[1, 7, 53, 131, 257, 371, 917, 1799, 6943, 13621, 33667, 48601, 95347, 235669, 1784351, 12490457]

約数ペア:

[(1, 12490457), (7, 1784351), (53, 235669), (131, 95347), (257, 48601), (371, 33667), (917, 13621), (1799, 6943)]