308996968

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{128321}}^1$

素因数の和:128377

約数の個数: 32

約数和(自身を含む): 677540160

約数和(自身を除く): 368543192

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 128321, 256642, 513284, 898247, 1026568, 1796494, 3592988, 5517803, 7185976, 11035606, 22071212, 38624621, 44142424, 77249242, 154498484, 308996968]

約数ペア:

[(1, 308996968), (2, 154498484), (4, 77249242), (7, 44142424), (8, 38624621), (14, 22071212), (28, 11035606), (43, 7185976), (56, 5517803), (86, 3592988), (172, 1796494), (301, 1026568), (344, 898247), (602, 513284), (1204, 256642), (2408, 128321)]