208551504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{620689}}^1$

素因数の和:620707

約数の個数: 40

約数和(自身を含む): 615724480

約数和(自身を除く): 407172976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 620689, 1241378, 1862067, 2482756, 3724134, 4344823, 4965512, 7448268, 8689646, 9931024, 13034469, 14896536, 17379292, 26068938, 29793072, 34758584, 52137876, 69517168, 104275752, 208551504]

約数ペア:

[(1, 208551504), (2, 104275752), (3, 69517168), (4, 52137876), (6, 34758584), (7, 29793072), (8, 26068938), (12, 17379292), (14, 14896536), (16, 13034469), (21, 9931024), (24, 8689646), (28, 7448268), (42, 4965512), (48, 4344823), (56, 3724134), (84, 2482756), (112, 1862067), (168, 1241378), (336, 620689)]