281549042

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{1997}}^1$

素因数の和:2605

約数の個数: 16

約数和(自身を含む): 426173400

約数和(自身を除く): 144624358

約数列:

[1, 2, 157, 314, 449, 898, 1997, 3994, 70493, 140986, 313529, 627058, 896653, 1793306, 140774521, 281549042]

約数ペア:

[(1, 281549042), (2, 140774521), (157, 1793306), (314, 896653), (449, 627058), (898, 313529), (1997, 140986), (3994, 70493)]