81056836

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{70607}}^1$

素因数の和:70659

約数の個数: 24

約数和(自身を含む): 166070016

約数和(自身を除く): 85013180

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 70607, 141214, 282428, 494249, 988498, 1976996, 2894887, 5789774, 11579548, 20264209, 40528418, 81056836]

約数ペア:

[(1, 81056836), (2, 40528418), (4, 20264209), (7, 11579548), (14, 5789774), (28, 2894887), (41, 1976996), (82, 988498), (164, 494249), (287, 282428), (574, 141214), (1148, 70607)]