129017456

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{17959}}^1$

素因数の和:18416

約数の個数: 20

約数和(自身を含む): 250542000

約数和(自身を除く): 121524544

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 17959, 35918, 71836, 143672, 287344, 8063591, 16127182, 32254364, 64508728, 129017456]

約数ペア:

[(1, 129017456), (2, 64508728), (4, 32254364), (8, 16127182), (16, 8063591), (449, 287344), (898, 143672), (1796, 71836), (3592, 35918), (7184, 17959)]