206823721

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 241647840

約数和(自身を除く): 34824119

約数列:

[1, 13, 19, 41, 169, 247, 533, 779, 1571, 3211, 6929, 10127, 20423, 29849, 64411, 131651, 265499, 388037, 837343, 1223809, 5044481, 10885459, 15909517, 206823721]

約数ペア:

[(1, 206823721), (13, 15909517), (19, 10885459), (41, 5044481), (169, 1223809), (247, 837343), (533, 388037), (779, 265499), (1571, 131651), (3211, 64411), (6929, 29849), (10127, 20423)]