81284328

素因数分解:

$2^3\times 3^2\times {\mathrm{1128949}}^1$

素因数の和:1128961

約数の個数: 24

約数和(自身を含む): 220145250

約数和(自身を除く): 138860922

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1128949, 2257898, 3386847, 4515796, 6773694, 9031592, 10160541, 13547388, 20321082, 27094776, 40642164, 81284328]

約数ペア:

[(1, 81284328), (2, 40642164), (3, 27094776), (4, 20321082), (6, 13547388), (8, 10160541), (9, 9031592), (12, 6773694), (18, 4515796), (24, 3386847), (36, 2257898), (72, 1128949)]