664694548

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{120503}}^1$

素因数の和:120711

約数の個数: 24

約数和(自身を含む): 1336148352

約数和(自身を除く): 671453804

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 120503, 241006, 482012, 843521, 1687042, 3374084, 23739091, 47478182, 94956364, 166173637, 332347274, 664694548]

約数ペア:

[(1, 664694548), (2, 332347274), (4, 166173637), (7, 94956364), (14, 47478182), (28, 23739091), (197, 3374084), (394, 1687042), (788, 843521), (1379, 482012), (2758, 241006), (5516, 120503)]