205815344

素因数分解:

$2^4\times 7^1\times {\mathrm{409}}^1\times {\mathrm{4493}}^1$

素因数の和:4917

約数の個数: 40

約数和(自身を含む): 456949920

約数和(自身を除く): 251134576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 409, 818, 1636, 2863, 3272, 4493, 5726, 6544, 8986, 11452, 17972, 22904, 31451, 35944, 45808, 62902, 71888, 125804, 251608, 503216, 1837637, 3675274, 7350548, 12863459, 14701096, 25726918, 29402192, 51453836, 102907672, 205815344]

約数ペア:

[(1, 205815344), (2, 102907672), (4, 51453836), (7, 29402192), (8, 25726918), (14, 14701096), (16, 12863459), (28, 7350548), (56, 3675274), (112, 1837637), (409, 503216), (818, 251608), (1636, 125804), (2863, 71888), (3272, 62902), (4493, 45808), (5726, 35944), (6544, 31451), (8986, 22904), (11452, 17972)]