1388026688

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:967

約数の個数: 56

約数和(自身を含む): 2789529600

約数和(自身を除く): 1401502912

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 389, 439, 508, 778, 878, 1016, 1556, 1756, 2032, 3112, 3512, 4064, 6224, 7024, 8128, 12448, 14048, 24896, 28096, 49403, 55753, 98806, 111506, 170771, 197612, 223012, 341542, 395224, 446024, 683084, 790448, 892048, 1366168, 1580896, 1784096, 2732336, 3161792, 3568192, 5464672, 10929344, 21687917, 43375834, 86751668, 173503336, 347006672, 694013344, 1388026688]

約数ペア:

[(1, 1388026688), (2, 694013344), (4, 347006672), (8, 173503336), (16, 86751668), (32, 43375834), (64, 21687917), (127, 10929344), (254, 5464672), (389, 3568192), (439, 3161792), (508, 2732336), (778, 1784096), (878, 1580896), (1016, 1366168), (1556, 892048), (1756, 790448), (2032, 683084), (3112, 446024), (3512, 395224), (4064, 341542), (6224, 223012), (7024, 197612), (8128, 170771), (12448, 111506), (14048, 98806), (24896, 55753), (28096, 49403)]