81656476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1279}}^1\times {\mathrm{1451}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 156119040

約数和(自身を除く): 74462564

約数列:

[1, 2, 4, 11, 22, 44, 1279, 1451, 2558, 2902, 5116, 5804, 14069, 15961, 28138, 31922, 56276, 63844, 1855829, 3711658, 7423316, 20414119, 40828238, 81656476]

約数ペア:

[(1, 81656476), (2, 40828238), (4, 20414119), (11, 7423316), (22, 3711658), (44, 1855829), (1279, 63844), (1451, 56276), (2558, 31922), (2902, 28138), (5116, 15961), (5804, 14069)]