268808216836

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{164308201}}^1$

素因数の和:164308614

約数の個数: 12

約数和(自身を含む): 471564539740

約数和(自身を除く): 202756322904

約数列:

[1, 2, 4, 409, 818, 1636, 164308201, 328616402, 657232804, 67202054209, 134404108418, 268808216836]

約数ペア:

[(1, 268808216836), (2, 134404108418), (4, 67202054209), (409, 657232804), (818, 328616402), (1636, 164308201)]