256001984

素因数分解:

$2^6\times 7^1\times {\mathrm{571433}}^1$

素因数の和:571452

約数の個数: 28

約数和(自身を含む): 580576944

約数和(自身を除く): 324574960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 571433, 1142866, 2285732, 4000031, 4571464, 8000062, 9142928, 16000124, 18285856, 32000248, 36571712, 64000496, 128000992, 256001984]

約数ペア:

[(1, 256001984), (2, 128000992), (4, 64000496), (7, 36571712), (8, 32000248), (14, 18285856), (16, 16000124), (28, 9142928), (32, 8000062), (56, 4571464), (64, 4000031), (112, 2285732), (224, 1142866), (448, 571433)]