81107836

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{1663}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 144668160

約数和(自身を除く): 63560324

約数列:

[1, 2, 4, 89, 137, 178, 274, 356, 548, 1663, 3326, 6652, 12193, 24386, 48772, 148007, 227831, 296014, 455662, 592028, 911324, 20276959, 40553918, 81107836]

約数ペア:

[(1, 81107836), (2, 40553918), (4, 20276959), (89, 911324), (137, 592028), (178, 455662), (274, 296014), (356, 227831), (548, 148007), (1663, 48772), (3326, 24386), (6652, 12193)]