81384548

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{93761}}^1$

素因数の和:93803

約数の個数: 24

約数和(自身を含む): 168021504

約数和(自身を除く): 86636956

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 93761, 187522, 375044, 656327, 1312654, 2625308, 2906591, 5813182, 11626364, 20346137, 40692274, 81384548]

約数ペア:

[(1, 81384548), (2, 40692274), (4, 20346137), (7, 11626364), (14, 5813182), (28, 2906591), (31, 2625308), (62, 1312654), (124, 656327), (217, 375044), (434, 187522), (868, 93761)]