205861552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{989719}}^1$

素因数の和:989740

約数の個数: 20

約数和(自身を含む): 429538480

約数和(自身を除く): 223676928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 989719, 1979438, 3958876, 7917752, 12866347, 15835504, 25732694, 51465388, 102930776, 205861552]

約数ペア:

[(1, 205861552), (2, 102930776), (4, 51465388), (8, 25732694), (13, 15835504), (16, 12866347), (26, 7917752), (52, 3958876), (104, 1979438), (208, 989719)]