989969255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{1171}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 1367020800

約数和(自身を除く): 377051545

約数列:

[1, 5, 11, 19, 55, 95, 209, 809, 1045, 1171, 4045, 5855, 8899, 12881, 15371, 22249, 44495, 64405, 76855, 111245, 169081, 244739, 845405, 947339, 1223695, 4736695, 10420729, 17999441, 52103645, 89997205, 197993851, 989969255]

約数ペア:

[(1, 989969255), (5, 197993851), (11, 89997205), (19, 52103645), (55, 17999441), (95, 10420729), (209, 4736695), (809, 1223695), (1045, 947339), (1171, 845405), (4045, 244739), (5855, 169081), (8899, 111245), (12881, 76855), (15371, 64405), (22249, 44495)]