289740412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{5571931}}^1$

素因数の和:5571948

約数の個数: 12

約数和(自身を含む): 546049336

約数和(自身を除く): 256308924

約数列:

[1, 2, 4, 13, 26, 52, 5571931, 11143862, 22287724, 72435103, 144870206, 289740412]

約数ペア:

[(1, 289740412), (2, 144870206), (4, 72435103), (13, 22287724), (26, 11143862), (52, 5571931)]