164556644

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{309317}}^1$

素因数の和:309347

約数の個数: 24

約数和(自身を含む): 346436160

約数和(自身を除く): 181879516

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 309317, 618634, 1237268, 2165219, 4330438, 5877023, 8660876, 11754046, 23508092, 41139161, 82278322, 164556644]

約数ペア:

[(1, 164556644), (2, 82278322), (4, 41139161), (7, 23508092), (14, 11754046), (19, 8660876), (28, 5877023), (38, 4330438), (76, 2165219), (133, 1237268), (266, 618634), (532, 309317)]