840856978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{12983}}^1$

素因数の和:13098

約数の個数: 32

約数和(自身を含む): 1413490176

約数和(自身を除く): 572633198

約数列:

[1, 2, 13, 26, 47, 53, 94, 106, 611, 689, 1222, 1378, 2491, 4982, 12983, 25966, 32383, 64766, 168779, 337558, 610201, 688099, 1220402, 1376198, 7932613, 8945287, 15865226, 17890574, 32340653, 64681306, 420428489, 840856978]

約数ペア:

[(1, 840856978), (2, 420428489), (13, 64681306), (26, 32340653), (47, 17890574), (53, 15865226), (94, 8945287), (106, 7932613), (611, 1376198), (689, 1220402), (1222, 688099), (1378, 610201), (2491, 337558), (4982, 168779), (12983, 64766), (25966, 32383)]