208458414

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{54371}}^1$

素因数の和:54453

約数の個数: 32

約数和(自身を含む): 469774080

約数和(自身を除く): 261315666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 54371, 108742, 163113, 326226, 489339, 978678, 1468017, 2936034, 3860341, 7720682, 11581023, 23162046, 34743069, 69486138, 104229207, 208458414]

約数ペア:

[(1, 208458414), (2, 104229207), (3, 69486138), (6, 34743069), (9, 23162046), (18, 11581023), (27, 7720682), (54, 3860341), (71, 2936034), (142, 1468017), (213, 978678), (426, 489339), (639, 326226), (1278, 163113), (1917, 108742), (3834, 54371)]