25171978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20599}}^1$

素因数の和:20661

約数の個数: 16

約数和(自身を含む): 41529600

約数和(自身を除く): 16357622

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 20599, 41198, 267787, 535574, 968153, 1936306, 12585989, 25171978]

約数ペア:

[(1, 25171978), (2, 12585989), (13, 1936306), (26, 968153), (47, 535574), (94, 267787), (611, 41198), (1222, 20599)]