201220745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^2$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 268308288

約数和(自身を除く): 67087543

約数列:

[1, 5, 11, 55, 71, 227, 355, 781, 1135, 2497, 3905, 12485, 16117, 51529, 80585, 177287, 257645, 566819, 886435, 2834095, 3658559, 18292795, 40244149, 201220745]

約数ペア:

[(1, 201220745), (5, 40244149), (11, 18292795), (55, 3658559), (71, 2834095), (227, 886435), (355, 566819), (781, 257645), (1135, 177287), (2497, 80585), (3905, 51529), (12485, 16117)]