2181572204

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{407923}}^1$

素因数の和:408125

約数の個数: 24

約数和(自身を含む): 4385998848

約数和(自身を除く): 2204426644

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 5348, 407923, 815846, 1631692, 2855461, 5710922, 11421844, 77913293, 155826586, 311653172, 545393051, 1090786102, 2181572204]

約数ペア:

[(1, 2181572204), (2, 1090786102), (4, 545393051), (7, 311653172), (14, 155826586), (28, 77913293), (191, 11421844), (382, 5710922), (764, 2855461), (1337, 1631692), (2674, 815846), (5348, 407923)]