208918801

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2089}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 263515560

約数和(自身を除く): 54596759

約数列:

[1, 7, 13, 49, 91, 157, 637, 1099, 2041, 2089, 7693, 14287, 14623, 27157, 100009, 102361, 190099, 327973, 1330693, 2295811, 4263649, 16070677, 29845543, 208918801]

約数ペア:

[(1, 208918801), (7, 29845543), (13, 16070677), (49, 4263649), (91, 2295811), (157, 1330693), (637, 327973), (1099, 190099), (2041, 102361), (2089, 100009), (7693, 27157), (14287, 14623)]