81365452

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{93739}}^1$

素因数の和:93781

約数の個数: 24

約数和(自身を含む): 167982080

約数和(自身を除く): 86616628

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 93739, 187478, 374956, 656173, 1312346, 2624692, 2905909, 5811818, 11623636, 20341363, 40682726, 81365452]

約数ペア:

[(1, 81365452), (2, 40682726), (4, 20341363), (7, 11623636), (14, 5811818), (28, 2905909), (31, 2624692), (62, 1312346), (124, 656173), (217, 374956), (434, 187478), (868, 93739)]