161022968

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{128203}}^1$

素因数の和:128366

約数の個数: 16

約数和(自身を含む): 303843480

約数和(自身を除く): 142820512

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 128203, 256406, 512812, 1025624, 20127871, 40255742, 80511484, 161022968]

約数ペア:

[(1, 161022968), (2, 80511484), (4, 40255742), (8, 20127871), (157, 1025624), (314, 512812), (628, 256406), (1256, 128203)]