2158468

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 36

約数和(自身を含む): 4263168

約数和(自身を除く): 2104700

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 103, 124, 169, 206, 338, 403, 412, 676, 806, 1339, 1612, 2678, 3193, 5239, 5356, 6386, 10478, 12772, 17407, 20956, 34814, 41509, 69628, 83018, 166036, 539617, 1079234, 2158468]

約数ペア:

[(1, 2158468), (2, 1079234), (4, 539617), (13, 166036), (26, 83018), (31, 69628), (52, 41509), (62, 34814), (103, 20956), (124, 17407), (169, 12772), (206, 10478), (338, 6386), (403, 5356), (412, 5239), (676, 3193), (806, 2678), (1339, 1612)]