1279843568

素因数分解:

$2^4\times {\mathrm{373}}^1\times {\mathrm{214451}}^1$

素因数の和:214832

約数の個数: 20

約数和(自身を含む): 2486356488

約数和(自身を除く): 1206512920

約数列:

[1, 2, 4, 8, 16, 373, 746, 1492, 2984, 5968, 214451, 428902, 857804, 1715608, 3431216, 79990223, 159980446, 319960892, 639921784, 1279843568]

約数ペア:

[(1, 1279843568), (2, 639921784), (4, 319960892), (8, 159980446), (16, 79990223), (373, 3431216), (746, 1715608), (1492, 857804), (2984, 428902), (5968, 214451)]