208059787

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 240725520

約数和(自身を除く): 32665733

約数列:

[1, 13, 17, 139, 169, 221, 521, 1807, 2363, 2873, 6773, 8857, 23491, 30719, 72419, 88049, 115141, 399347, 941447, 1231123, 1496833, 12238811, 16004599, 208059787]

約数ペア:

[(1, 208059787), (13, 16004599), (17, 12238811), (139, 1496833), (169, 1231123), (221, 941447), (521, 399347), (1807, 115141), (2363, 88049), (2873, 72419), (6773, 30719), (8857, 23491)]