209319796

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257783}}^1$

素因数の和:257823

約数の個数: 24

約数和(自身を含む): 433077120

約数和(自身を除く): 223757324

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 257783, 515566, 1031132, 1804481, 3608962, 7217924, 7475707, 14951414, 29902828, 52329949, 104659898, 209319796]

約数ペア:

[(1, 209319796), (2, 104659898), (4, 52329949), (7, 29902828), (14, 14951414), (28, 7475707), (29, 7217924), (58, 3608962), (116, 1804481), (203, 1031132), (406, 515566), (812, 257783)]