26757328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 56199528

約数和(自身を除く): 29442200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 653, 788, 1306, 1576, 2561, 2612, 3152, 5122, 5224, 8489, 10244, 10448, 16978, 20488, 33956, 40976, 67912, 128641, 135824, 257282, 514564, 1029128, 1672333, 2058256, 3344666, 6689332, 13378664, 26757328]

約数ペア:

[(1, 26757328), (2, 13378664), (4, 6689332), (8, 3344666), (13, 2058256), (16, 1672333), (26, 1029128), (52, 514564), (104, 257282), (197, 135824), (208, 128641), (394, 67912), (653, 40976), (788, 33956), (1306, 20488), (1576, 16978), (2561, 10448), (2612, 10244), (3152, 8489), (5122, 5224)]