129348436

素因数分解:

$2^2\times 7^2\times {\mathrm{659941}}^1$

素因数の和:659959

約数の個数: 18

約数和(自身を含む): 263316858

約数和(自身を除く): 133968422

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 659941, 1319882, 2639764, 4619587, 9239174, 18478348, 32337109, 64674218, 129348436]

約数ペア:

[(1, 129348436), (2, 64674218), (4, 32337109), (7, 18478348), (14, 9239174), (28, 4619587), (49, 2639764), (98, 1319882), (196, 659941)]