156891854

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2099}}^1$

素因数の和:2408

約数の個数: 32

約数和(自身を含む): 284256000

約数和(自身を除く): 127364146

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 281, 562, 1967, 2099, 3934, 4198, 5339, 10678, 14693, 29386, 37373, 39881, 74746, 79762, 279167, 558334, 589819, 1179638, 4128733, 8257466, 11206561, 22413122, 78445927, 156891854]

約数ペア:

[(1, 156891854), (2, 78445927), (7, 22413122), (14, 11206561), (19, 8257466), (38, 4128733), (133, 1179638), (266, 589819), (281, 558334), (562, 279167), (1967, 79762), (2099, 74746), (3934, 39881), (4198, 37373), (5339, 29386), (10678, 14693)]