217809396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{864323}}^1$

素因数の和:864340

約数の個数: 36

約数和(自身を含む): 629227872

約数和(自身を除く): 411418476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 864323, 1728646, 2592969, 3457292, 5185938, 6050261, 7778907, 10371876, 12100522, 15557814, 18150783, 24201044, 31115628, 36301566, 54452349, 72603132, 108904698, 217809396]

約数ペア:

[(1, 217809396), (2, 108904698), (3, 72603132), (4, 54452349), (6, 36301566), (7, 31115628), (9, 24201044), (12, 18150783), (14, 15557814), (18, 12100522), (21, 10371876), (28, 7778907), (36, 6050261), (42, 5185938), (63, 3457292), (84, 2592969), (126, 1728646), (252, 864323)]