128338728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{763921}}^1$

素因数の和:763937

約数の個数: 32

約数和(自身を含む): 366682560

約数和(自身を除く): 238343832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 763921, 1527842, 2291763, 3055684, 4583526, 5347447, 6111368, 9167052, 10694894, 16042341, 18334104, 21389788, 32084682, 42779576, 64169364, 128338728]

約数ペア:

[(1, 128338728), (2, 64169364), (3, 42779576), (4, 32084682), (6, 21389788), (7, 18334104), (8, 16042341), (12, 10694894), (14, 9167052), (21, 6111368), (24, 5347447), (28, 4583526), (42, 3055684), (56, 2291763), (84, 1527842), (168, 763921)]