129621124

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{112129}}^1$

素因数の和:112167

約数の個数: 18

約数和(自身を含む): 240967370

約数和(自身を除く): 111346246

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 112129, 224258, 448516, 1906193, 3812386, 7624772, 32405281, 64810562, 129621124]

約数ペア:

[(1, 129621124), (2, 64810562), (4, 32405281), (17, 7624772), (34, 3812386), (68, 1906193), (289, 448516), (578, 224258), (1156, 112129)]