81205424

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{32327}}^1$

素因数の和:32492

約数の個数: 20

約数和(自身を含む): 158342544

約数和(自身を除く): 77137120

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 32327, 64654, 129308, 258616, 517232, 5075339, 10150678, 20301356, 40602712, 81205424]

約数ペア:

[(1, 81205424), (2, 40602712), (4, 20301356), (8, 10150678), (16, 5075339), (157, 517232), (314, 258616), (628, 129308), (1256, 64654), (2512, 32327)]