389699912

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{239963}}^1$

素因数の和:240005

約数の個数: 32

約数和(自身を含む): 863870400

約数和(自身を除く): 474170488

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 239963, 479926, 959852, 1679741, 1919704, 3359482, 6718964, 6958927, 13437928, 13917854, 27835708, 48712489, 55671416, 97424978, 194849956, 389699912]

約数ペア:

[(1, 389699912), (2, 194849956), (4, 97424978), (7, 55671416), (8, 48712489), (14, 27835708), (28, 13917854), (29, 13437928), (56, 6958927), (58, 6718964), (116, 3359482), (203, 1919704), (232, 1679741), (406, 959852), (812, 479926), (1624, 239963)]