2145724

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 4324320

約数和(自身を除く): 2178596

約数列:

[1, 2, 4, 7, 14, 28, 197, 389, 394, 778, 788, 1379, 1556, 2723, 2758, 5446, 5516, 10892, 76633, 153266, 306532, 536431, 1072862, 2145724]

約数ペア:

[(1, 2145724), (2, 1072862), (4, 536431), (7, 306532), (14, 153266), (28, 76633), (197, 10892), (389, 5516), (394, 5446), (778, 2758), (788, 2723), (1379, 1556)]