728438452

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{243137}}^1$

素因数の和:243255

約数の個数: 24

約数和(自身を含む): 1470498624

約数和(自身を除く): 742060172

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 243137, 486274, 972548, 1701959, 3403918, 6807836, 26015659, 52031318, 104062636, 182109613, 364219226, 728438452]

約数ペア:

[(1, 728438452), (2, 364219226), (4, 182109613), (7, 104062636), (14, 52031318), (28, 26015659), (107, 6807836), (214, 3403918), (428, 1701959), (749, 972548), (1498, 486274), (2996, 243137)]