209754828

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{11447}}^1$

素因数の和:11966

約数の個数: 36

約数和(自身を含む): 531301680

約数和(自身を除く): 321546852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 1018, 1527, 2036, 3054, 4581, 6108, 9162, 11447, 18324, 22894, 34341, 45788, 68682, 103023, 137364, 206046, 412092, 5826523, 11653046, 17479569, 23306092, 34959138, 52438707, 69918276, 104877414, 209754828]

約数ペア:

[(1, 209754828), (2, 104877414), (3, 69918276), (4, 52438707), (6, 34959138), (9, 23306092), (12, 17479569), (18, 11653046), (36, 5826523), (509, 412092), (1018, 206046), (1527, 137364), (2036, 103023), (3054, 68682), (4581, 45788), (6108, 34341), (9162, 22894), (11447, 18324)]