128427964

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{45413}}^1$

素因数の和:45525

約数の個数: 24

約数和(自身を含む): 259404768

約数和(自身を除く): 130976804

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 45413, 90826, 181652, 317891, 635782, 1271564, 4586713, 9173426, 18346852, 32106991, 64213982, 128427964]

約数ペア:

[(1, 128427964), (2, 64213982), (4, 32106991), (7, 18346852), (14, 9173426), (28, 4586713), (101, 1271564), (202, 635782), (404, 317891), (707, 181652), (1414, 90826), (2828, 45413)]