257232416

素因数分解:

$2^5\times 7^1\times {\mathrm{1148359}}^1$

素因数の和:1148376

約数の個数: 24

約数和(自身を含む): 578773440

約数和(自身を除く): 321541024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1148359, 2296718, 4593436, 8038513, 9186872, 16077026, 18373744, 32154052, 36747488, 64308104, 128616208, 257232416]

約数ペア:

[(1, 257232416), (2, 128616208), (4, 64308104), (7, 36747488), (8, 32154052), (14, 18373744), (16, 16077026), (28, 9186872), (32, 8038513), (56, 4593436), (112, 2296718), (224, 1148359)]