267488

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:666

約数の個数: 24

約数和(自身を含む): 568008

約数和(自身を除く): 300520

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 643, 1286, 2572, 5144, 8359, 10288, 16718, 20576, 33436, 66872, 133744, 267488]

約数ペア:

[(1, 267488), (2, 133744), (4, 66872), (8, 33436), (13, 20576), (16, 16718), (26, 10288), (32, 8359), (52, 5144), (104, 2572), (208, 1286), (416, 643)]