81908572

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{9859}}^1$

素因数の和:9961

約数の個数: 24

約数和(自身を含む): 150187520

約数和(自身を除く): 68278948

約数列:

[1, 2, 4, 31, 62, 67, 124, 134, 268, 2077, 4154, 8308, 9859, 19718, 39436, 305629, 611258, 660553, 1222516, 1321106, 2642212, 20477143, 40954286, 81908572]

約数ペア:

[(1, 81908572), (2, 40954286), (4, 20477143), (31, 2642212), (62, 1321106), (67, 1222516), (124, 660553), (134, 611258), (268, 305629), (2077, 39436), (4154, 19718), (8308, 9859)]