71640776

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{218417}}^1$

素因数の和:218464

約数の個数: 16

約数和(自身を含む): 137603340

約数和(自身を除く): 65962564

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 218417, 436834, 873668, 1747336, 8955097, 17910194, 35820388, 71640776]

約数ペア:

[(1, 71640776), (2, 35820388), (4, 17910194), (8, 8955097), (41, 1747336), (82, 873668), (164, 436834), (328, 218417)]