81283244

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67511}}^1$

素因数の和:67565

約数の個数: 24

約数和(自身を含む): 166349568

約数和(自身を除く): 85066324

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 67511, 135022, 270044, 472577, 945154, 1890308, 2902973, 5805946, 11611892, 20320811, 40641622, 81283244]

約数ペア:

[(1, 81283244), (2, 40641622), (4, 20320811), (7, 11611892), (14, 5805946), (28, 2902973), (43, 1890308), (86, 945154), (172, 472577), (301, 270044), (602, 135022), (1204, 67511)]