81907604

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{2393}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 147470400

約数和(自身を除く): 65562796

約数列:

[1, 2, 4, 43, 86, 172, 199, 398, 796, 2393, 4786, 8557, 9572, 17114, 34228, 102899, 205798, 411596, 476207, 952414, 1904828, 20476901, 40953802, 81907604]

約数ペア:

[(1, 81907604), (2, 40953802), (4, 20476901), (43, 1904828), (86, 952414), (172, 476207), (199, 411596), (398, 205798), (796, 102899), (2393, 34228), (4786, 17114), (8557, 9572)]