17928470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{256121}}^1$

素因数の和:256135

約数の個数: 16

約数和(自身を含む): 36881568

約数和(自身を除く): 18953098

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 256121, 512242, 1280605, 1792847, 2561210, 3585694, 8964235, 17928470]

約数ペア:

[(1, 17928470), (2, 8964235), (5, 3585694), (7, 2561210), (10, 1792847), (14, 1280605), (35, 512242), (70, 256121)]