128647976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{945941}}^1$

素因数の和:945964

約数の個数: 16

約数和(自身を含む): 255404340

約数和(自身を除く): 126756364

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 945941, 1891882, 3783764, 7567528, 16080997, 32161994, 64323988, 128647976]

約数ペア:

[(1, 128647976), (2, 64323988), (4, 32161994), (8, 16080997), (17, 7567528), (34, 3783764), (68, 1891882), (136, 945941)]