208768612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 408432640

約数和(自身を除く): 199664028

約数列:

[1, 2, 4, 13, 26, 43, 52, 73, 86, 146, 172, 292, 559, 949, 1118, 1279, 1898, 2236, 2558, 3139, 3796, 5116, 6278, 12556, 16627, 33254, 40807, 54997, 66508, 81614, 93367, 109994, 163228, 186734, 219988, 373468, 714961, 1213771, 1429922, 2427542, 2859844, 4014781, 4855084, 8029562, 16059124, 52192153, 104384306, 208768612]

約数ペア:

[(1, 208768612), (2, 104384306), (4, 52192153), (13, 16059124), (26, 8029562), (43, 4855084), (52, 4014781), (73, 2859844), (86, 2427542), (146, 1429922), (172, 1213771), (292, 714961), (559, 373468), (949, 219988), (1118, 186734), (1279, 163228), (1898, 109994), (2236, 93367), (2558, 81614), (3139, 66508), (3796, 54997), (5116, 40807), (6278, 33254), (12556, 16627)]