2540636

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 5246976

約数和(自身を除く): 2706340

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 2927, 5854, 11708, 20489, 40978, 81956, 90737, 181474, 362948, 635159, 1270318, 2540636]

約数ペア:

[(1, 2540636), (2, 1270318), (4, 635159), (7, 362948), (14, 181474), (28, 90737), (31, 81956), (62, 40978), (124, 20489), (217, 11708), (434, 5854), (868, 2927)]