890367548

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{1973}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 1814690304

約数和(自身を除く): 924322756

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 227, 284, 454, 497, 908, 994, 1589, 1973, 1988, 3178, 3946, 6356, 7892, 13811, 16117, 27622, 32234, 55244, 64468, 112819, 140083, 225638, 280166, 447871, 451276, 560332, 895742, 980581, 1791484, 1961162, 3135097, 3922324, 6270194, 12540388, 31798841, 63597682, 127195364, 222591887, 445183774, 890367548]

約数ペア:

[(1, 890367548), (2, 445183774), (4, 222591887), (7, 127195364), (14, 63597682), (28, 31798841), (71, 12540388), (142, 6270194), (227, 3922324), (284, 3135097), (454, 1961162), (497, 1791484), (908, 980581), (994, 895742), (1589, 560332), (1973, 451276), (1988, 447871), (3178, 280166), (3946, 225638), (6356, 140083), (7892, 112819), (13811, 64468), (16117, 55244), (27622, 32234)]