27121328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1291}}^1$

素因数の和:1413

約数の個数: 40

約数和(自身を含む): 57194256

約数和(自身を除く): 30072928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1291, 1313, 1616, 2582, 2626, 5164, 5252, 10328, 10504, 16783, 20656, 21008, 33566, 67132, 130391, 134264, 260782, 268528, 521564, 1043128, 1695083, 2086256, 3390166, 6780332, 13560664, 27121328]

約数ペア:

[(1, 27121328), (2, 13560664), (4, 6780332), (8, 3390166), (13, 2086256), (16, 1695083), (26, 1043128), (52, 521564), (101, 268528), (104, 260782), (202, 134264), (208, 130391), (404, 67132), (808, 33566), (1291, 21008), (1313, 20656), (1616, 16783), (2582, 10504), (2626, 10328), (5164, 5252)]