2581948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 4853520

約数和(自身を除く): 2271572

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 641, 1007, 1282, 2014, 2564, 4028, 12179, 24358, 33973, 48716, 67946, 135892, 645487, 1290974, 2581948]

約数ペア:

[(1, 2581948), (2, 1290974), (4, 645487), (19, 135892), (38, 67946), (53, 48716), (76, 33973), (106, 24358), (212, 12179), (641, 4028), (1007, 2564), (1282, 2014)]