3988765

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 5554080

約数和(自身を除く): 1565315

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 347, 605, 1045, 1735, 2299, 3817, 6593, 11495, 19085, 32965, 41987, 72523, 209935, 362615, 797753, 3988765]

約数ペア:

[(1, 3988765), (5, 797753), (11, 362615), (19, 209935), (55, 72523), (95, 41987), (121, 32965), (209, 19085), (347, 11495), (605, 6593), (1045, 3817), (1735, 2299)]