1388994817

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{42499}}^1$

素因数の和:42565

約数の個数: 24

約数和(自身を含む): 1744200000

約数和(自身を除く): 355205183

約数列:

[1, 7, 23, 29, 49, 161, 203, 667, 1127, 1421, 4669, 32683, 42499, 297493, 977477, 1232471, 2082451, 6842339, 8627297, 28346833, 47896373, 60391079, 198427831, 1388994817]

約数ペア:

[(1, 1388994817), (7, 198427831), (23, 60391079), (29, 47896373), (49, 28346833), (161, 8627297), (203, 6842339), (667, 2082451), (1127, 1232471), (1421, 977477), (4669, 297493), (32683, 42499)]