669968236

素因数分解:

$2^2\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{19661}}^1$

素因数の和:20889

約数の個数: 24

約数和(自身を含む): 1341105696

約数和(自身を除く): 671137460

約数列:

[1, 2, 4, 7, 14, 28, 1217, 2434, 4868, 8519, 17038, 19661, 34076, 39322, 78644, 137627, 275254, 550508, 23927437, 47854874, 95709748, 167492059, 334984118, 669968236]

約数ペア:

[(1, 669968236), (2, 334984118), (4, 167492059), (7, 95709748), (14, 47854874), (28, 23927437), (1217, 550508), (2434, 275254), (4868, 137627), (8519, 78644), (17038, 39322), (19661, 34076)]